Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.055,
    "vintage_probability": 0.385,
    "authenticity_confidence": 0.05,
    "image_quality_score": 0.755,
    "seller_misidentification_probability": 0.06,
    "confidence": 0.74,
    "recommended_max_bid": 9,
    "estimated_resale_low": 9,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: leather-like black framed handbag with a compact vintage-style silhouette",
        "photo 3: a kisslock-style frame closure is visible, a construction type used by some early Coach bags",
        "photo 1,2,4,5: leather handbag with soft leather body - leather material alone does not indicate Coach"
    ],
    "negative_evidence": [
        "photo 1: no visible COACH wordmark, horse-and-carriage, leather hangtag, or other Coach branding",
        "photo 3: interior appears fabric or synthetic and no rectangular sewn Coach creed patch is visible",
        "photo 1: chain strap and bright mixed-tone hardware do not strongly match classic Coach glove-tanned leather construction",
        "photo 1: the clasp is a frame\/kisslock closure rather than a recognizable vintage Coach turnlock",
        "photo 1,2,4,5: kisslock frame purse with silver-tone frame and chain - no turnlock, no brass hardware typical of vintage Coach classics",
        "photo 3: lined interior with shiny black lining and small white fabric tag - not unlined suede-back glove-tanned interior of Coach classics",
        "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 1,2: thin silver-tone chain strap, not Coach brass dogleash, buckle-adjustable leather strap or bead-chain hangtag",
        "photo 1,2,4,5: gathered kisslock evening-bag silhouette does not match Coach catalog styles (City Bag, Willis, Court, Station, Dinky, etc.)"
    ],
    "missing_information": [
        "photo 3: interior back wall and all pockets should be photographed clearly to confirm whether a creed patch or fabric label is present",
        "photo 3: the small interior label is too indistinct to read; request a straight-on close-up",
        "request close-ups of clasp, chain attachments, zipper or frame hardware, and any maker marks",
        "request bottom, side, corner, and strap-condition photographs",
        "photo 3: white interior tag partially visible at right edge is illegible - need straight-on close-up to read brand\/content",
        "no creed patch shown - need interior wall\/pocket close-up in raking light",
        "no hardware stamp\/brand mark shown - need kisslock and chain-clasp close-ups",
        "no bottom\/side views to assess wear"
    ],
    "authenticity_concerns": [
        "photo 1: no Coach identifiers are visible, so this currently reads more like a generic vintage or costume-style framed bag than a Coach example",
        "photo 3: apparent synthetic or fabric interior is not supportive of a classic unlined Coach frame bag",
        "photo 1-5: no Coach identifier visible to authenticate; construction inconsistent with vintage Coach classics"
    ],
    "possible_model_reasoning": [
        "The frame\/kisslock silhouette could superficially resemble early framed handbags, but no Coach-specific Cashin-era label, cartouche, hangtag, or other identifier is visible.",
        "It does not closely match the listed classic Coach styles such as Dinky, Court, Willis, or Station, which generally use leather straps and\/or distinctive turnlock constructions.",
        "Condition: Good; substantial creasing and surface wear are visible on the black exterior (photos 1, 2, and 5), while the interior and hardware function are not fully assessable.",
        "No Coach model fits: kisslock frame + silver chain + lined interior + no creed\/wordmark\/turnlock\/hangtag is inconsistent with 1970s-1990s glove-tanned Coach classics and with Cashin-era kisslock styles",
        "Size ~9 in wide x ~8 in tall per tape in photo 4-5 is evening-bag scale, not matching Coach City\/Willis\/Court\/Station dimensions and features",
        "Condition: Good to Very Good; leather shows creasing and surface wear\/scuffs (photo 1,2,5) but no holes or corner wear-through visible; interior looks intact in photo 3 but bottom\/corners\/strap not fully shown so grade 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: bright chain shoulder strap, metal frame, lobster-style strap attachments, and a small top clasp; exact metal composition and markings are not visible",
        "leather_description": "photo 1: black, smooth, glossy leather-like material with substantial wrinkling and gathered panels; exact leather type is not confirmed",
        "lining_description": "photo 3: dark fabric or synthetic-looking interior is visible, but material and construction cannot be confirmed",
        "strap_construction": "photo 1: single detachable-looking metal chain shoulder strap attached at both sides with metal clips",
        "stitching_description": "photo 1: visible perimeter and center seams appear generally even; detailed stitch quality is not clear enough for brand attribution"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0022,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.08,
                "vintage_probability": 0.42,
                "authenticity_confidence": 0.07,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: leather-like black framed handbag with a compact vintage-style silhouette",
                    "photo 3: a kisslock-style frame closure is visible, a construction type used by some early Coach bags"
                ],
                "negative_evidence": [
                    "photo 1: no visible COACH wordmark, horse-and-carriage, leather hangtag, or other Coach branding",
                    "photo 3: interior appears fabric or synthetic and no rectangular sewn Coach creed patch is visible",
                    "photo 1: chain strap and bright mixed-tone hardware do not strongly match classic Coach glove-tanned leather construction",
                    "photo 1: the clasp is a frame\/kisslock closure rather than a recognizable vintage Coach turnlock"
                ],
                "missing_information": [
                    "photo 3: interior back wall and all pockets should be photographed clearly to confirm whether a creed patch or fabric label is present",
                    "photo 3: the small interior label is too indistinct to read; request a straight-on close-up",
                    "request close-ups of clasp, chain attachments, zipper or frame hardware, and any maker marks",
                    "request bottom, side, corner, and strap-condition photographs"
                ],
                "authenticity_concerns": [
                    "photo 1: no Coach identifiers are visible, so this currently reads more like a generic vintage or costume-style framed bag than a Coach example",
                    "photo 3: apparent synthetic or fabric interior is not supportive of a classic unlined Coach frame bag"
                ],
                "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: bright chain shoulder strap, metal frame, lobster-style strap attachments, and a small top clasp; exact metal composition and markings are not visible",
                    "leather_description": "photo 1: black, smooth, glossy leather-like material with substantial wrinkling and gathered panels; exact leather type is not confirmed",
                    "lining_description": "photo 3: dark fabric or synthetic-looking interior is visible, but material and construction cannot be confirmed",
                    "strap_construction": "photo 1: single detachable-looking metal chain shoulder strap attached at both sides with metal clips",
                    "stitching_description": "photo 1: visible perimeter and center seams appear generally even; detailed stitch quality is not clear enough for brand attribution"
                },
                "possible_model_reasoning": [
                    "The frame\/kisslock silhouette could superficially resemble early framed handbags, but no Coach-specific Cashin-era label, cartouche, hangtag, or other identifier is visible.",
                    "It does not closely match the listed classic Coach styles such as Dinky, Court, Willis, or Station, which generally use leather straps and\/or distinctive turnlock constructions.",
                    "Condition: Good; substantial creasing and surface wear are visible on the black exterior (photos 1, 2, and 5), while the interior and hardware function are not fully assessable."
                ],
                "confidence": 0.78,
                "recommended_max_bid": 8,
                "estimated_resale_low": 8,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-5: no Coach identifier visible to authenticate; construction inconsistent with vintage Coach classics"
                ],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.7,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo 3: white interior tag partially visible at right edge is illegible - need straight-on close-up to read brand\/content",
                    "no creed patch shown - need interior wall\/pocket close-up in raking light",
                    "no hardware stamp\/brand mark shown - need kisslock and chain-clasp close-ups",
                    "no bottom\/side views to assess wear"
                ],
                "negative_evidence": [
                    "photo 1,2,4,5: kisslock frame purse with silver-tone frame and chain - no turnlock, no brass hardware typical of vintage Coach classics",
                    "photo 3: lined interior with shiny black lining and small white fabric tag - not unlined suede-back glove-tanned interior of Coach classics",
                    "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 1,2: thin silver-tone chain strap, not Coach brass dogleash, buckle-adjustable leather strap or bead-chain hangtag",
                    "photo 1,2,4,5: gathered kisslock evening-bag silhouette does not match Coach catalog styles (City Bag, Willis, Court, Station, Dinky, etc.)"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone kisslock frame with small clasp at top center and thin silver-tone chain shoulder strap attached with small spring clasps; tone and style not solid vintage Coach brass",
                    "leather_description": "black smooth leather with soft drape and center front seam, surface sheen and creasing visible in photos 1,2,4,5",
                    "lining_description": "black shiny lining visible in photo 3, appears synthetic or coated, not unlined suede; small white tag at right edge illegible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "center vertical seam on front and back visible, bottom edge stitching visible in photo 4; no detailed stitch close-up",
                    "strap_construction": "thin silver-tone metal chain, long shoulder length, with clustered ball\/slider detail visible in photo 1-2",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1,2,4,5: leather handbag with soft leather body - leather material alone does not indicate Coach"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: kisslock frame + silver chain + lined interior + no creed\/wordmark\/turnlock\/hangtag is inconsistent with 1970s-1990s glove-tanned Coach classics and with Cashin-era kisslock styles",
                    "Size ~9 in wide x ~8 in tall per tape in photo 4-5 is evening-bag scale, not matching Coach City\/Willis\/Court\/Station dimensions and features",
                    "Condition: Good to Very Good; leather shows creasing and surface wear\/scuffs (photo 1,2,5) but no holes or corner wear-through visible; interior looks intact in photo 3 but bottom\/corners\/strap not fully shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.04,
                "vintage_probability": 0.35
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 25672,
            "output_tokens": 822,
            "total_tokens": 26494,
            "estimated_cost_usd": 0.012242
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 26423,
            "output_tokens": 1520,
            "total_tokens": 27943,
            "estimated_cost_usd": 0.006501
        }
    ]
}