Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.035,
    "vintage_probability": 0.35,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.745,
    "seller_misidentification_probability": 0.045,
    "confidence": 0.82,
    "recommended_max_bid": 12,
    "estimated_resale_low": 15,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: leather shoulder\/crossbody handbag with an adjustable strap is clearly visible",
        "photo 1: natural leather and decorative edge lacing are visible",
        "photo 1,5: leather handbag with unlined suede-back interior, consistent with general vintage leather bag population where misidentified Coach hides"
    ],
    "negative_evidence": [
        "photo 1: no visible Coach wordmark, horse-and-carriage, or hangtag",
        "photos 4-5: interior and flap are shown without a rectangular Coach creed patch or visible serial\/style number",
        "photos 1-3: construction is heavily whipstitched with decorative leather beading and silver-tone hardware, unlike the typical solid-brass, streamlined construction of classic vintage Coach",
        "photo 4: closure appears to be a snap with a decorative flower piece rather than a Coach turnlock",
        "photo 6: visible tape measure suggests approximately small-to-medium crossbody dimensions, but no Coach-specific model cues are present",
        "photo 1: no turnlock, no hangtag, no COACH wordmark visible on front flap",
        "photo 4: closure is silver-tone magnetic snap with flower-shaped leather washer, not Coach brass turnlock geometry",
        "photo 1-3,6: entire perimeter and flap finished with exterior leather whipstitch lacing, not Coach tight matched stitching and not a catalog silhouette",
        "photo 1,4: thin flat adjustable strap with silver-tone buckle\/rings, not Coach solid-brass buckle\/dogleash construction",
        "photo 5: unlined suede interior with no creed patch visible despite interior view"
    ],
    "missing_information": [
        "photo 4-5: a fully emptied, straight-on view of every interior wall and pocket would confirm whether any concealed brand label or creed exists",
        "photo 1-3: close-ups of all hardware, strap attachments, and any reverse-side stamps are absent",
        "photo 2-3: zipper or closure-brand details are not shown",
        "photo 5: interior wall\/pocket shown but blurry - no creed patch visible, need straight-on raking-light photo of any stamped patch",
        "photo 4: magnetic snap and strap hardware shown but no brand stamp legible - need hardware engraving close-up",
        "photo 1-3: no hangtag, wordmark, or creed visible - need both faces of any tags",
        "seller-stated dimensions for scale (photo 6 shows ~9-10 in wide but no full dimensions)"
    ],
    "authenticity_concerns": [
        "The visible decorative construction and silver-tone hardware are inconsistent with the classic vintage Coach saddle\/crossbody styles most commonly confused with unbranded listings.",
        "No Coach identifier is visible in the provided photos; this appears more likely to be a generic or artisan leather bag than a Coach product."
    ],
    "possible_model_reasoning": [
        "The saddle-shaped flap and crossbody strap do not closely match the listed classic Coach saddle\/crossbody models because the decorative lacing, floral snap, and silver-tone fittings dominate the construction.",
        "No readable identifier supports dating or Coach model assignment. Condition: Good to Very Good; leather appears intact, but interior dirt\/wear and surface variation are visible in photos 4-5, while strap and underside condition are only partly shown.",
        "No Coach catalog match: saddle flap shape with all-over whipstitch lacing, magnetic snap, and thin strap does not match City Bag (9790), Dinky (9375), Court (9870), Station (5130) or other classics",
        "No hard identifiers: no creed patch, serial, wordmark, hangtag, or brass turnlock visible in 6 photos despite front, side, bottom, interior and open-flap views",
        "Era reasoning: laced artisan construction suggests 1970s-1990s handmade\/boho bag, but without Coach identifiers cannot assign Coach era; emitted as non-Coach",
        "Condition: Very Good to Excellent per seller 'minimal to no signs of use'; photos show uniform tone, no corner wear-through, strap intact, interior not fully assessable 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": false,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 1: small silver-tone rings and snap hardware are visible; photo 4: decorative flower snap closure; no Coach engraving is visible",
        "leather_description": "photos 1-3: camel\/tan leather with a glossy or conditioned surface, edge lacing, and extensive decorative leather bead\/whipstitch work",
        "lining_description": "photos 4-5: light suede-like\/raw leather interior is visible; no brand label or creed is visible",
        "strap_construction": "photos 1-3: long adjustable leather crossbody strap attached with small rings and leather tabs",
        "stitching_description": "photos 1-5: prominent decorative leather lacing and bead-like stitched details around the edges and flap; no conventional Coach construction cues visible"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0025,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.35,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.87,
                "seller_misidentification_probability": 0.06,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: leather shoulder\/crossbody handbag with an adjustable strap is clearly visible",
                    "photo 1: natural leather and decorative edge lacing are visible"
                ],
                "negative_evidence": [
                    "photo 1: no visible Coach wordmark, horse-and-carriage, or hangtag",
                    "photos 4-5: interior and flap are shown without a rectangular Coach creed patch or visible serial\/style number",
                    "photos 1-3: construction is heavily whipstitched with decorative leather beading and silver-tone hardware, unlike the typical solid-brass, streamlined construction of classic vintage Coach",
                    "photo 4: closure appears to be a snap with a decorative flower piece rather than a Coach turnlock",
                    "photo 6: visible tape measure suggests approximately small-to-medium crossbody dimensions, but no Coach-specific model cues are present"
                ],
                "missing_information": [
                    "photo 4-5: a fully emptied, straight-on view of every interior wall and pocket would confirm whether any concealed brand label or creed exists",
                    "photo 1-3: close-ups of all hardware, strap attachments, and any reverse-side stamps are absent",
                    "photo 2-3: zipper or closure-brand details are not shown"
                ],
                "authenticity_concerns": [
                    "The visible decorative construction and silver-tone hardware are inconsistent with the classic vintage Coach saddle\/crossbody styles most commonly confused with unbranded listings.",
                    "No Coach identifier is visible in the provided photos; this appears more likely to be a generic or artisan leather bag than a Coach product."
                ],
                "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": "photo 1: small silver-tone rings and snap hardware are visible; photo 4: decorative flower snap closure; no Coach engraving is visible",
                    "leather_description": "photos 1-3: camel\/tan leather with a glossy or conditioned surface, edge lacing, and extensive decorative leather bead\/whipstitch work",
                    "lining_description": "photos 4-5: light suede-like\/raw leather interior is visible; no brand label or creed is visible",
                    "strap_construction": "photos 1-3: long adjustable leather crossbody strap attached with small rings and leather tabs",
                    "stitching_description": "photos 1-5: prominent decorative leather lacing and bead-like stitched details around the edges and flap; no conventional Coach construction cues visible"
                },
                "possible_model_reasoning": [
                    "The saddle-shaped flap and crossbody strap do not closely match the listed classic Coach saddle\/crossbody models because the decorative lacing, floral snap, and silver-tone fittings dominate the construction.",
                    "No readable identifier supports dating or Coach model assignment. Condition: Good to Very Good; leather appears intact, but interior dirt\/wear and surface variation are visible in photos 4-5, while strap and underside condition are only partly shown."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 12,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.78,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.62,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo 5: interior wall\/pocket shown but blurry - no creed patch visible, need straight-on raking-light photo of any stamped patch",
                    "photo 4: magnetic snap and strap hardware shown but no brand stamp legible - need hardware engraving close-up",
                    "photo 1-3: no hangtag, wordmark, or creed visible - need both faces of any tags",
                    "seller-stated dimensions for scale (photo 6 shows ~9-10 in wide but no full dimensions)"
                ],
                "negative_evidence": [
                    "photo 1: no turnlock, no hangtag, no COACH wordmark visible on front flap",
                    "photo 4: closure is silver-tone magnetic snap with flower-shaped leather washer, not Coach brass turnlock geometry",
                    "photo 1-3,6: entire perimeter and flap finished with exterior leather whipstitch lacing, not Coach tight matched stitching and not a catalog silhouette",
                    "photo 1,4: thin flat adjustable strap with silver-tone buckle\/rings, not Coach solid-brass buckle\/dogleash construction",
                    "photo 5: unlined suede interior with no creed patch visible despite interior view"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone magnetic snap closure with flower-shaped mount (photo 4) and thin strap buckle\/rings; no solid brass, no turnlock, no COACH stamping visible",
                    "leather_description": "camel\/tan smooth leather with heavy exterior leather whipstitch lacing around flap and body edges (photo 1-3,6); surface scuffing visible",
                    "lining_description": "unlined suede-back interior visible in photo 5, no fabric lining, no pockets or tags visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "no conventional stitched seams visible; joined\/finished with leather thong whipstitch lacing around edges and decorative lacing on flap",
                    "strap_construction": "thin flat leather adjustable crossbody\/shoulder strap with buckle and metal rings (photo 1)",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1,5: leather handbag with unlined suede-back interior, consistent with general vintage leather bag population where misidentified Coach hides"
                ],
                "possible_model_reasoning": [
                    "No Coach catalog match: saddle flap shape with all-over whipstitch lacing, magnetic snap, and thin strap does not match City Bag (9790), Dinky (9375), Court (9870), Station (5130) or other classics",
                    "No hard identifiers: no creed patch, serial, wordmark, hangtag, or brass turnlock visible in 6 photos despite front, side, bottom, interior and open-flap views",
                    "Era reasoning: laced artisan construction suggests 1970s-1990s handmade\/boho bag, but without Coach identifiers cannot assign Coach era; emitted as non-Coach",
                    "Condition: Very Good to Excellent per seller 'minimal to no signs of use'; photos show uniform tone, no corner wear-through, strap intact, interior not fully assessable so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.35
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17707,
            "output_tokens": 882,
            "total_tokens": 18589,
            "estimated_cost_usd": 0.0092
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18042,
            "output_tokens": 1394,
            "total_tokens": 19436,
            "estimated_cost_usd": 0.004724
        }
    ]
}