Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.74,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.855,
    "recommended_max_bid": 16.5,
    "estimated_resale_low": 17.5,
    "estimated_resale_high": 50,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a large leather-look handbag\/tote with handles, side gussets, front zipper pocket, and detachable shoulder strap.",
        "photo 1: Brown textured leather-like material and gold-tone hardware are visible, which are broadly compatible with many modern handbags but are not Coach-specific.",
        "photo 1,4,5: brown pebbled leather handbag with brass-tone hardware - general material population where vintage Coach hides, requires full workup"
    ],
    "negative_evidence": [
        "photo 1: No legible COACH wordmark, horse-and-carriage mark, creed patch, serial\/style number, or Coach hangtag is visible.",
        "photo 2: The same design appears in multiple colors in a staged promotional-style display, suggesting a contemporary generic or fashion-bag product rather than a vintage Coach listing.",
        "photo 4: The front closure uses decorative rectangular plate-and-belt hardware rather than a recognizable vintage Coach turnlock.",
        "photo 6: Visible construction is highly structured and heavily textured with prominent decorative hardware, unlike the simpler classic Coach glove-tanned silhouettes shown in the reference catalog.",
        "photo 1: Seller identifies it as unbranded and Italian leather; this is weak listing evidence and does not establish Coach manufacture.",
        "photo 1,4,5,6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
        "photo 1,4,5: silhouette is large soft tote with Hermes\/Kelly-style front belt with turn-stud plus exterior front zip pocket - not a Coach catalog silhouette from 1970s-1990s classics",
        "photo 1,4,5,6: belt turn hardware is flat rectangular Kelly-style plates, not Coach Cashin turnlock oval back-plate with slim rounded tab geometry",
        "photo 2: same style shown in three colors on retail counter with marketing signage - indicates new mass-produced retail line, not vintage Coach",
        "photo 1-6: no solid-brass vintage turnlock, dogleash clips, bead-chain hangtag, or unlined glove-tanned suede interior visible"
    ],
    "missing_information": [
        "Straight-on interior photo showing any sewn leather creed patch or fabric label.",
        "Close-up photos of all interior pockets, seams, and any country-of-manufacture or style tags.",
        "Close-up of zipper pulls and hardware markings.",
        "Bottom, corner, and strap-attachment photos for condition and construction assessment.",
        "Seller-provided material confirmation; the photos alone do not establish that the exterior is genuine leather or Italian-made.",
        "photo of interior lining and any interior leather patch or fabric tags - no interior shown in any photo",
        "straight-on creed patch photo in raking light - no creed visible",
        "photo of bottom and corners",
        "close-up of hardware stamps, zipper-pull brand, and Made-in line",
        "confirmation whether listing photos are stock\/catalog vs actual bag offered - photo 2 shows three colors in a showroom"
    ],
    "authenticity_concerns": [
        "The bag has no visible Coach identifier and its decorative hardware and silhouette are consistent with a generic modern leather handbag.",
        "The staged multi-color presentation and polished lifestyle imagery provide no useful provenance or authentication evidence.",
        "No apparent vintage-era Coach construction cues are visible; a vintage Coach attribution would require an interior identifier or a clearly matching documented model."
    ],
    "possible_model_reasoning": [
        "No Coach model is assigned because no Coach identifier is visible and the silhouette does not closely match a documented vintage Coach classic.",
        "The large structured tote with front zip pocket, belt-like decorative hardware, and detachable strap is more consistent with a modern generic work tote.",
        "Condition: approximately Very Good based on clean visible exterior and intact-looking hardware; interior, odor, bottom, and detailed corner condition are not fully assessable.",
        "No Coach model fits: front Kelly-style belt plus full-width exterior front zip, dual rolled handles with D-ring mounts, and soft unstructured tote body do not match City Bag, Willis, Court, Station, Stewardess, Duffle Sac, or other catalog styles",
        "No serial decode possible - no number visible; seller text provides no number",
        "Era reasoning: new-looking pebbled leather, plated hardware, detachable shoulder strap, staged retail\/lifestyle photos in multiple colors point to modern non-Coach production",
        "Condition: appears New\/Like New in staged photos (clean leather, no corner wear visible in photo 6) but no interior, bottom, or close-up views so formal grade capped - treat as unknown\/new-offer"
    ],
    "estimated_era": "modern (2000s+), non-Coach",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": false,
        "turnlock_present": false,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "Gold-tone rectangular plate-and-belt decorative closure, rivets, rings, zipper hardware, and handle buckles are visible; no Coach engraving is legible. Hardware appears modern and plated, but exact composition is not verifiable.",
        "leather_description": "Brown\/cognac heavily textured, pebbled or embossed leather-like exterior is visible. The photos do not establish genuine leather, tanning method, or Italian origin.",
        "lining_description": "not_visible",
        "strap_construction": "Two padded top handles attached with riveted leather tabs; detachable adjustable shoulder strap with gold-tone clips is visible in photo 4.",
        "stitching_description": "Visible exterior stitching appears generally regular and machine-made; interior seam quality and stress-point stitching are not shown."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0029,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a large leather-look handbag\/tote with handles, side gussets, front zipper pocket, and detachable shoulder strap.",
                    "photo 1: Brown textured leather-like material and gold-tone hardware are visible, which are broadly compatible with many modern handbags but are not Coach-specific."
                ],
                "negative_evidence": [
                    "photo 1: No legible COACH wordmark, horse-and-carriage mark, creed patch, serial\/style number, or Coach hangtag is visible.",
                    "photo 2: The same design appears in multiple colors in a staged promotional-style display, suggesting a contemporary generic or fashion-bag product rather than a vintage Coach listing.",
                    "photo 4: The front closure uses decorative rectangular plate-and-belt hardware rather than a recognizable vintage Coach turnlock.",
                    "photo 6: Visible construction is highly structured and heavily textured with prominent decorative hardware, unlike the simpler classic Coach glove-tanned silhouettes shown in the reference catalog.",
                    "photo 1: Seller identifies it as unbranded and Italian leather; this is weak listing evidence and does not establish Coach manufacture."
                ],
                "missing_information": [
                    "Straight-on interior photo showing any sewn leather creed patch or fabric label.",
                    "Close-up photos of all interior pockets, seams, and any country-of-manufacture or style tags.",
                    "Close-up of zipper pulls and hardware markings.",
                    "Bottom, corner, and strap-attachment photos for condition and construction assessment.",
                    "Seller-provided material confirmation; the photos alone do not establish that the exterior is genuine leather or Italian-made."
                ],
                "authenticity_concerns": [
                    "The bag has no visible Coach identifier and its decorative hardware and silhouette are consistent with a generic modern leather handbag.",
                    "The staged multi-color presentation and polished lifestyle imagery provide no useful provenance or authentication evidence.",
                    "No apparent vintage-era Coach construction cues are visible; a vintage Coach attribution would require an interior identifier or a clearly matching documented model."
                ],
                "observed_features": {
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "serial_or_style_number_present": false,
                    "serial_or_style_number": "not_visible",
                    "coach_wordmark_present": false,
                    "turnlock_present": false,
                    "hangtag_present": false,
                    "hardware_description": "Gold-tone rectangular plate-and-belt decorative closure, rivets, rings, zipper hardware, and handle buckles are visible; no Coach engraving is legible. Hardware appears modern and plated, but exact composition is not verifiable.",
                    "leather_description": "Brown\/cognac heavily textured, pebbled or embossed leather-like exterior is visible. The photos do not establish genuine leather, tanning method, or Italian origin.",
                    "lining_description": "not_visible",
                    "strap_construction": "Two padded top handles attached with riveted leather tabs; detachable adjustable shoulder strap with gold-tone clips is visible in photo 4.",
                    "stitching_description": "Visible exterior stitching appears generally regular and machine-made; interior seam quality and stress-point stitching are not shown."
                },
                "possible_model_reasoning": [
                    "No Coach model is assigned because no Coach identifier is visible and the silhouette does not closely match a documented vintage Coach classic.",
                    "The large structured tote with front zip pocket, belt-like decorative hardware, and detachable strap is more consistent with a modern generic work tote.",
                    "Condition: approximately Very Good based on clean visible exterior and intact-looking hardware; interior, odor, bottom, and detailed corner condition are not fully assessable."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 50
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 50,
                "estimated_resale_low": 20,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of interior lining and any interior leather patch or fabric tags - no interior shown in any photo",
                    "straight-on creed patch photo in raking light - no creed visible",
                    "photo of bottom and corners",
                    "close-up of hardware stamps, zipper-pull brand, and Made-in line",
                    "confirmation whether listing photos are stock\/catalog vs actual bag offered - photo 2 shows three colors in a showroom"
                ],
                "negative_evidence": [
                    "photo 1,4,5,6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
                    "photo 1,4,5: silhouette is large soft tote with Hermes\/Kelly-style front belt with turn-stud plus exterior front zip pocket - not a Coach catalog silhouette from 1970s-1990s classics",
                    "photo 1,4,5,6: belt turn hardware is flat rectangular Kelly-style plates, not Coach Cashin turnlock oval back-plate with slim rounded tab geometry",
                    "photo 2: same style shown in three colors on retail counter with marketing signage - indicates new mass-produced retail line, not vintage Coach",
                    "photo 1-6: no solid-brass vintage turnlock, dogleash clips, bead-chain hangtag, or unlined glove-tanned suede interior visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone hardware: front belt with two rectangular plates and center turn-stud, front zip with rectangular pull, round rivets, square D-rings and lobster-clip shoulder strap ends; tone uniform but plated look, not heavy solid vintage brass",
                    "leather_description": "brown pebbled-grain leather with soft slouch, uniform tone and light sheen; not showing vintage glove-tanned matte patina, scars or suede back",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even straight stitching tone-matched to leather visible along top edge and belt; no mismatched thread visible at this resolution",
                    "strap_construction": "dual rolled top handles riveted to D-ring mounts; detachable flat adjustable shoulder strap with lobster clips shown in photo 4; side D-rings for strap",
                    "turnlock_present": true
                },
                "positive_evidence": [
                    "photo 1,4,5: brown pebbled leather handbag with brass-tone hardware - general material population where vintage Coach hides, requires full workup"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: front Kelly-style belt plus full-width exterior front zip, dual rolled handles with D-ring mounts, and soft unstructured tote body do not match City Bag, Willis, Court, Station, Stewardess, Duffle Sac, or other catalog styles",
                    "No serial decode possible - no number visible; seller text provides no number",
                    "Era reasoning: new-looking pebbled leather, plated hardware, detachable shoulder strap, staged retail\/lifestyle photos in multiple colors point to modern non-Coach production",
                    "Condition: appears New\/Like New in staged photos (clean leather, no corner wear visible in photo 6) but no interior, bottom, or close-up views so formal grade capped - treat as unknown\/new-offer"
                ],
                "possible_models": [],
                "recommended_max_bid": 18,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 26348,
            "output_tokens": 872,
            "total_tokens": 27220,
            "estimated_cost_usd": 0.012632
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 27460,
            "output_tokens": 1643,
            "total_tokens": 29103,
            "estimated_cost_usd": 0.006806
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}