Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.035,
    "vintage_probability": 0.215,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.735,
    "seller_misidentification_probability": 0.075,
    "confidence": 0.82,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 10,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a leather shoulder\/tote-style handbag with multiple compartments.",
        "photo 4: Interior label visibly reads \u201cGENUINE LEATHER,\u201d but no Coach branding is visible.",
        "photo 1, photo 2: small black leather shoulder tote of a size that could superficially resemble 1990s minimalism"
    ],
    "negative_evidence": [
        "photo 1: Generic rectangular tote silhouette with a front vertical strap\/decorative hardware detail, not a recognizable vintage Coach model.",
        "photo 1: Polished silver-tone hardware is inconsistent with many 1970s\u2013early 1990s classic Coach leather bags, which typically use solid brass.",
        "photo 3: Fabric-lined interior and structured zippered compartment are not characteristic of classic unlined glove-tanned Coach silhouettes.",
        "photo 4: The visible label says only \u201cGENUINE LEATHER\u201d and does not show COACH, a creed, or a horse-and-carriage mark.",
        "photos 1-4: No Coach wordmark, hangtag, creed patch, or style\/serial identifier is visible.",
        "photo 3: interior is black fabric-lined with snap-closure outer pockets, not unlined suede-back glove-tanned",
        "photo 4: interior shows only a generic 'GENUINE LEATHER' fabric tag, no Coach creed patch, no Coach wordmark, no horse-and-carriage",
        "photo 1, photo 2: no turnlock, no hangtag, no brass hardware; polished silver-tone snap and zip hardware only",
        "photo 1, photo 2: thin fixed double shoulder straps sewn through eyelets, not Coach buckle-adjustable or dogleash-clip construction",
        "photo 1-4: silhouette with central zip plus outer snap pockets does not match a vintage Coach catalog style"
    ],
    "missing_information": [
        "Straight-on photos of every interior wall and pocket, especially any possible leather creed patch.",
        "Close-up photos of all labels, zipper pulls, snaps, and hardware markings.",
        "Photo of the bag bottom, both sides, strap attachments, and all corners.",
        "Seller-stated dimensions and any provenance or purchase information.",
        "no bottom \/ corner close-up to confirm wear",
        "no hardware brand stamp close-up",
        "no exterior back \/ side detail beyond photo 2"
    ],
    "authenticity_concerns": [
        "The visible generic leather label and lack of any Coach identifier provide no evidence of Coach manufacture.",
        "The lined, silver-hardware construction does not fit a typical 1980s vintage Coach classic; a Coach attribution would require an identifier or substantially stronger model-specific evidence."
    ],
    "possible_model_reasoning": [
        "No Coach model is proposed because the silhouette, front hardware, lining, and visible generic label do not establish a Coach match.",
        "The seller's claimed 1990s date is not independently supported by a visible date code, creed, country line, or period-specific Coach construction.",
        "Condition: Good; significant body wrinkling and creasing are visible (photos 1-2), while interior wear and odor cannot be assessed fully.",
        "No Coach model fits: no creed, no turnlock, fabric lining, silver hardware, and snap\/zip multi-compartment layout are inconsistent with 1980s-1990s glove-tanned classics like City Bag (9790), Court (9870), Station (5130) or Willis (9927)",
        "Generic 'GENUINE LEATHER' tag in photo 4 indicates department-store \/ unbranded manufacture, not Coach",
        "Condition: Very Good to Good; leather shows soft creasing and surface wear but no major tears visible (photo 1, photo 2); bottom corners and strap folds not shown in detail 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: Polished silver-tone rectangular front hardware and small metal snap visible; no Coach engraving visible. photo 3: Additional small metal snap visible inside.",
        "leather_description": "photos 1-2: Black, smooth-to-pebbled leather with a soft, somewhat glossy finish and substantial wrinkling\/creasing.",
        "lining_description": "photos 3-4: Black fabric or synthetic-looking lining with a zippered interior compartment; visible label reads \u201cGENUINE LEATHER.\u201d",
        "strap_construction": "photos 1-2: Two long, slender fixed shoulder straps attached through metal rings; stitched tubular strap construction visible.",
        "stitching_description": "photos 1-2: Generally even black stitching and piped\/turned edges are visible; no distinctive Coach construction detail can be confirmed."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0017,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.18,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.12,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a leather shoulder\/tote-style handbag with multiple compartments.",
                    "photo 4: Interior label visibly reads \u201cGENUINE LEATHER,\u201d but no Coach branding is visible."
                ],
                "negative_evidence": [
                    "photo 1: Generic rectangular tote silhouette with a front vertical strap\/decorative hardware detail, not a recognizable vintage Coach model.",
                    "photo 1: Polished silver-tone hardware is inconsistent with many 1970s\u2013early 1990s classic Coach leather bags, which typically use solid brass.",
                    "photo 3: Fabric-lined interior and structured zippered compartment are not characteristic of classic unlined glove-tanned Coach silhouettes.",
                    "photo 4: The visible label says only \u201cGENUINE LEATHER\u201d and does not show COACH, a creed, or a horse-and-carriage mark.",
                    "photos 1-4: No Coach wordmark, hangtag, creed patch, or style\/serial identifier is visible."
                ],
                "missing_information": [
                    "Straight-on photos of every interior wall and pocket, especially any possible leather creed patch.",
                    "Close-up photos of all labels, zipper pulls, snaps, and hardware markings.",
                    "Photo of the bag bottom, both sides, strap attachments, and all corners.",
                    "Seller-stated dimensions and any provenance or purchase information."
                ],
                "authenticity_concerns": [
                    "The visible generic leather label and lack of any Coach identifier provide no evidence of Coach manufacture.",
                    "The lined, silver-hardware construction does not fit a typical 1980s vintage Coach classic; a Coach attribution would require an identifier or substantially stronger model-specific evidence."
                ],
                "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: Polished silver-tone rectangular front hardware and small metal snap visible; no Coach engraving visible. photo 3: Additional small metal snap visible inside.",
                    "leather_description": "photos 1-2: Black, smooth-to-pebbled leather with a soft, somewhat glossy finish and substantial wrinkling\/creasing.",
                    "lining_description": "photos 3-4: Black fabric or synthetic-looking lining with a zippered interior compartment; visible label reads \u201cGENUINE LEATHER.\u201d",
                    "strap_construction": "photos 1-2: Two long, slender fixed shoulder straps attached through metal rings; stitched tubular strap construction visible.",
                    "stitching_description": "photos 1-2: Generally even black stitching and piped\/turned edges are visible; no distinctive Coach construction detail can be confirmed."
                },
                "possible_model_reasoning": [
                    "No Coach model is proposed because the silhouette, front hardware, lining, and visible generic label do not establish a Coach match.",
                    "The seller's claimed 1990s date is not independently supported by a visible date code, creed, country line, or period-specific Coach construction.",
                    "Condition: Good; significant body wrinkling and creasing are visible (photos 1-2), while interior wear and odor cannot be assessed fully."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "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": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "no bottom \/ corner close-up to confirm wear",
                    "no hardware brand stamp close-up",
                    "no exterior back \/ side detail beyond photo 2"
                ],
                "negative_evidence": [
                    "photo 3: interior is black fabric-lined with snap-closure outer pockets, not unlined suede-back glove-tanned",
                    "photo 4: interior shows only a generic 'GENUINE LEATHER' fabric tag, no Coach creed patch, no Coach wordmark, no horse-and-carriage",
                    "photo 1, photo 2: no turnlock, no hangtag, no brass hardware; polished silver-tone snap and zip hardware only",
                    "photo 1, photo 2: thin fixed double shoulder straps sewn through eyelets, not Coach buckle-adjustable or dogleash-clip construction",
                    "photo 1-4: silhouette with central zip plus outer snap pockets does not match a vintage Coach catalog style"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone snap buttons and central zipper; small rectangular front detail; no brass, no turnlock, no engraved Coach marks visible",
                    "leather_description": "black smooth thin leather with soft wrinkles and sheen, not thick matte glove-tanned cowhide",
                    "lining_description": "black fabric lining in central zip compartment visible in photo 3 and photo 4",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight dark stitching around top edge and center seam on back; no contrast or detailed stitching visible",
                    "strap_construction": "long slender fixed double shoulder straps attached directly to body",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1, photo 2: small black leather shoulder tote of a size that could superficially resemble 1990s minimalism"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: no creed, no turnlock, fabric lining, silver hardware, and snap\/zip multi-compartment layout are inconsistent with 1980s-1990s glove-tanned classics like City Bag (9790), Court (9870), Station (5130) or Willis (9927)",
                    "Generic 'GENUINE LEATHER' tag in photo 4 indicates department-store \/ unbranded manufacture, not Coach",
                    "Condition: Very Good to Good; leather shows soft creasing and surface wear but no major tears visible (photo 1, photo 2); bottom corners and strap folds not shown in detail so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.25
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16909,
            "output_tokens": 842,
            "total_tokens": 17751,
            "estimated_cost_usd": 0.008784
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17230,
            "output_tokens": 1227,
            "total_tokens": 18457,
            "estimated_cost_usd": 0.004428
        }
    ]
}