Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.03,
    "vintage_probability": 0.085,
    "authenticity_confidence": 0.035,
    "image_quality_score": 0.79,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.83,
    "recommended_max_bid": 11.5,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a shoulder handbag with a hobo-style silhouette, front fold-out pocket, zipper opening, and long strap"
    ],
    "negative_evidence": [
        "photo 1: all-over gray-and-black monogram pattern does not resemble Coach Signature C canvas and no Coach wordmark or carriage is visible",
        "photo 2: visible interior is black textile lining, with no Coach creed patch apparent",
        "photo 3: clasp is a shiny silver-tone oval turning mechanism, unlike the typical solid-brass hardware used on many vintage Coach classics",
        "photo 4: construction includes patterned textile\/canvas body, black trim, and synthetic-looking lining rather than identifiable glove-tanned Coach leather",
        "photo 5: no Coach identifier, hangtag, or readable manufacturing label is visible",
        "photo 6: monogram pattern and decorative clasp are more consistent with a non-Coach designer-style or lookalike bag than a vintage Coach model",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or hangtag visible",
        "photo 1-3,5-6: all-over black\/grey jacquard monogram is not Coach Signature C pairing; squares with single C-like motif",
        "photo 4: black fabric lining, not unlined glove-tanned suede-back leather",
        "photo 1-6: silver\/nickel-tone hardware and oval twist-lock, not solid brass vintage Coach turnlock with thin elegant tab",
        "photo 4-5: zip-top closure with fabric lining and thin faux-leather trim, consistent with Y2K fast-fashion hobo"
    ],
    "missing_information": [
        "photo 2\/4: a straight-on, close-up view of every interior wall and pocket to confirm that no creed or fabric label is present",
        "photo 4: close-up of the small interior fabric label and any manufacturing text, if present",
        "photo 1\/3: close-up of the clasp, zipper pulls, and strap hardware for maker markings",
        "photo 5: clear bottom, back, and side views",
        "photo 4: small white interior fabric tag is visible but illegible - need straight-on readable photo",
        "creed patch \/ Made-in line not shown - need interior wall and pocket close-ups in raking light",
        "hardware brand stamps on zipper pull and lock back plate not shown",
        "bottom and all four corners not shown"
    ],
    "authenticity_concerns": [
        "The prominent monogram and decorative clasp evoke designer branding but do not provide evidence of Coach manufacture.",
        "The silver-tone hardware, textile monogram body, and fabric lining are inconsistent with the expected construction of many vintage glove-tanned Coach classics.",
        "No Coach creed, serial\/style number, wordmark, or hangtag is visible in the supplied photos.",
        "photo 1-3,5-6: C-like jacquard monogram does not show Coach paired-C symmetry and continuity; brand-evoking motif is not brand evidence",
        "photo 1-6: no creed, wordmark, carriage, or engraved hardware visible to support Coach manufacture"
    ],
    "possible_model_reasoning": [
        "The hobo silhouette and fold-out front pocket are not sufficient to match a Coach catalog model, and no Coach identifier supports a specific model.",
        "photo 5: ruler suggests an approximately 13-inch-wide bag, but dimensions alone do not establish brand or model.",
        "Condition: Good; visible edge\/trim wear and fraying near strap hardware (photos 3 and 5), while the interior appears intact (photo 2).",
        "Not a Coach silhouette: Y2K jacquard hobo with zip top plus fold-out front pocket and oval twist-lock has no match in Coach classic or Signature catalog",
        "Construction points away from Coach: fabric jacquard body, fabric lining, nickel hardware, contrast stitching vs unlined glove-tanned, brass, tone-on-tone",
        "Condition: Very Good to Good; exterior jacquard intact, trim shows light edge wear, hardware with light scratches (photo 3,6), interior appears clean but bottom\/corners not shown so capped"
    ],
    "estimated_era": "modern (2000s+), non-Coach",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": false,
        "turnlock_present": true,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 1: shiny silver-tone oval turning clasp; photo 4: matching silver-tone rings and strap attachments; no maker engraving is visible",
        "leather_description": "photo 1: black textured trim and strap appear leather-like, but the material cannot be confirmed from photos; main body is patterned textile\/canvas",
        "lining_description": "photo 2: black textile lining is visible inside the main compartment and front pocket",
        "strap_construction": "photo 1 and photo 5: long fixed shoulder strap with black trim, contrasting light stitching, and ring attachments at both sides",
        "stitching_description": "photo 3 and photo 5: visible contrasting light stitching is generally even, with some surface wear or fraying near strap attachments"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0015,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.12,
                "authenticity_confidence": 0.04,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a shoulder handbag with a hobo-style silhouette, front fold-out pocket, zipper opening, and long strap"
                ],
                "negative_evidence": [
                    "photo 1: all-over gray-and-black monogram pattern does not resemble Coach Signature C canvas and no Coach wordmark or carriage is visible",
                    "photo 2: visible interior is black textile lining, with no Coach creed patch apparent",
                    "photo 3: clasp is a shiny silver-tone oval turning mechanism, unlike the typical solid-brass hardware used on many vintage Coach classics",
                    "photo 4: construction includes patterned textile\/canvas body, black trim, and synthetic-looking lining rather than identifiable glove-tanned Coach leather",
                    "photo 5: no Coach identifier, hangtag, or readable manufacturing label is visible",
                    "photo 6: monogram pattern and decorative clasp are more consistent with a non-Coach designer-style or lookalike bag than a vintage Coach model"
                ],
                "missing_information": [
                    "photo 2\/4: a straight-on, close-up view of every interior wall and pocket to confirm that no creed or fabric label is present",
                    "photo 4: close-up of the small interior fabric label and any manufacturing text, if present",
                    "photo 1\/3: close-up of the clasp, zipper pulls, and strap hardware for maker markings",
                    "photo 5: clear bottom, back, and side views"
                ],
                "authenticity_concerns": [
                    "The prominent monogram and decorative clasp evoke designer branding but do not provide evidence of Coach manufacture.",
                    "The silver-tone hardware, textile monogram body, and fabric lining are inconsistent with the expected construction of many vintage glove-tanned Coach classics.",
                    "No Coach creed, serial\/style number, wordmark, or hangtag is visible in the supplied photos."
                ],
                "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": true,
                    "hangtag_present": false,
                    "hardware_description": "photo 1: shiny silver-tone oval turning clasp; photo 4: matching silver-tone rings and strap attachments; no maker engraving is visible",
                    "leather_description": "photo 1: black textured trim and strap appear leather-like, but the material cannot be confirmed from photos; main body is patterned textile\/canvas",
                    "lining_description": "photo 2: black textile lining is visible inside the main compartment and front pocket",
                    "strap_construction": "photo 1 and photo 5: long fixed shoulder strap with black trim, contrasting light stitching, and ring attachments at both sides",
                    "stitching_description": "photo 3 and photo 5: visible contrasting light stitching is generally even, with some surface wear or fraying near strap attachments"
                },
                "possible_model_reasoning": [
                    "The hobo silhouette and fold-out front pocket are not sufficient to match a Coach catalog model, and no Coach identifier supports a specific model.",
                    "photo 5: ruler suggests an approximately 13-inch-wide bag, but dimensions alone do not establish brand or model.",
                    "Condition: Good; visible edge\/trim wear and fraying near strap hardware (photos 3 and 5), while the interior appears intact (photo 2)."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-3,5-6: C-like jacquard monogram does not show Coach paired-C symmetry and continuity; brand-evoking motif is not brand evidence",
                    "photo 1-6: no creed, wordmark, carriage, or engraved hardware visible to support Coach manufacture"
                ],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.8,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 15,
                "estimated_resale_low": 5,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 4: small white interior fabric tag is visible but illegible - need straight-on readable photo",
                    "creed patch \/ Made-in line not shown - need interior wall and pocket close-ups in raking light",
                    "hardware brand stamps on zipper pull and lock back plate not shown",
                    "bottom and all four corners not shown"
                ],
                "negative_evidence": [
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or hangtag visible",
                    "photo 1-3,5-6: all-over black\/grey jacquard monogram is not Coach Signature C pairing; squares with single C-like motif",
                    "photo 4: black fabric lining, not unlined glove-tanned suede-back leather",
                    "photo 1-6: silver\/nickel-tone hardware and oval twist-lock, not solid brass vintage Coach turnlock with thin elegant tab",
                    "photo 4-5: zip-top closure with fabric lining and thin faux-leather trim, consistent with Y2K fast-fashion hobo"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone oval twist\/turn lock on front tab, silver-tone O-rings at strap attachments, top zipper; plated appearance, not solid brass",
                    "leather_description": "black smooth trim appearing as coated faux\/bonded leather with pebbled texture, white contrast stitching",
                    "lining_description": "black fabric lining visible in photo 2 front pocket interior and photo 4 main compartment",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "white\/cream contrast stitching along trim and strap edges, even but contrasting thread not tone-on-tone",
                    "strap_construction": "single thin fixed-length shoulder strap in black trim material attached via metal O-rings with looped ends",
                    "turnlock_present": true
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Not a Coach silhouette: Y2K jacquard hobo with zip top plus fold-out front pocket and oval twist-lock has no match in Coach classic or Signature catalog",
                    "Construction points away from Coach: fabric jacquard body, fabric lining, nickel hardware, contrast stitching vs unlined glove-tanned, brass, tone-on-tone",
                    "Condition: Very Good to Good; exterior jacquard intact, trim shows light edge wear, hardware with light scratches (photo 3,6), interior appears clean but bottom\/corners not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 33101,
            "output_tokens": 922,
            "total_tokens": 34023,
            "estimated_cost_usd": 0.015453
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 35572,
            "output_tokens": 1581,
            "total_tokens": 37153,
            "estimated_cost_usd": 0.008379
        }
    ]
}