Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.575,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.825,
    "seller_misidentification_probability": 0.04,
    "confidence": 0.9,
    "recommended_max_bid": 12,
    "estimated_resale_low": 15,
    "estimated_resale_high": 37.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a leather shoulder handbag with an adjustable strap.",
        "photo 2: Exterior is embossed 'Stone Mountain,' identifying a non-Coach brand.",
        "photo 3: Strap buckle is visibly engraved 'Stone Mountain.'",
        "photo 6: Interior has a fabric-lined, multi-compartment construction.",
        "photo 1: black leather shoulder\/crossbody bag of 1990s style - same broad population where vintage Coach hides, but no Coach-specific identifier"
    ],
    "negative_evidence": [
        "photo 2: The visible brand wordmark is Stone Mountain rather than COACH.",
        "photo 3: Stone Mountain branding is present on the hardware; no Coach branding is visible.",
        "photo 5: Interior view shows no Coach creed patch, Coach wordmark, or recognizable Coach identifier.",
        "photo 1: The silhouette and construction are generic and do not provide a distinctive Coach model cue.",
        "photo 2: 'Stone Mountain' embossed directly on exterior leather - positive ID as Stone Mountain, not Coach",
        "photo 3: buckle engraved 'Stone Mountain' - maker-branded hardware, not unmarked vintage Coach solid brass",
        "photo 5: fabric lining with 'Stone Mountain' printed trim and fabric slip pockets - vintage Coach classics are unlined suede, not fabric-lined",
        "photo 1, photo 4, photo 6: no turnlock, no Coach creed patch, no Coach hangtag, no horse-and-carriage visible"
    ],
    "missing_information": [
        "photo 5: A sharper, fully emptied interior view could confirm whether any small label or additional brand tag is present.",
        "photo 4: The bottom, corners, and strap attachment points are not shown in close detail.",
        "Seller-stated 1990s dating is not independently verifiable from the photos.",
        "bottom and corner close-ups to confirm wear (photos show front\/side\/top only)"
    ],
    "authenticity_concerns": [
        "photo 2: The bag is explicitly branded Stone Mountain, making it a lookalike\/non-Coach item rather than a misidentified Coach bag.",
        "photo 3: Brand-engraved buckle is inconsistent with a vintage Coach bag; vintage Coach hardware generally would not carry this Stone Mountain branding.",
        "photo 2: competing brand wordmark 'Stone Mountain' embossed in leather",
        "photo 3: hardware engraved 'Stone Mountain' - branded hardware for another maker, not Coach"
    ],
    "possible_model_reasoning": [
        "photo 1: The soft rectangular crossbody\/shoulder silhouette is consistent with a generic Stone Mountain shoulder bag, not a specific Coach catalog model.",
        "photo 3: The branded buckle directly supports Stone Mountain manufacture and rules against identifying it as a Coach Willis, Court, City Bag, or other classic Coach style.",
        "Condition: approximately Very Good to Excellent from visible exterior photos; leather remains intact with ordinary creasing, while the interior shows no obvious major damage. Odor and hidden wear are unknown.",
        "No Coach model fits: competing Stone Mountain branding on leather (photo 2) and hardware (photo 3) plus fabric lining (photo 5) rules out Coach manufacture",
        "Seller identification as Stone Mountain is correct and consistent across photos",
        "Condition: Excellent to Very Good; leather clean with no major corner wear visible (photo 1, photo 6), strap intact (photo 3), interior clean (photo 5); 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": false,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 3: Brass-tone rounded buckle engraved 'Stone Mountain'; no Coach hardware is visible.",
        "leather_description": "photos 1-2: Black pebbled leather with a smooth, slightly glossy finish; appears substantial but is not Coach glove-tanned leather based on the visible branding and construction.",
        "lining_description": "photo 5: Dark synthetic fabric lining with multiple compartments and zippered sections.",
        "strap_construction": "photos 1, 4, and 7: Long adjustable leather shoulder strap with buckle adjustment and stitched attachment tabs.",
        "stitching_description": "photos 1-4: Generally even dark stitching is visible around the body, strap, and buckle tabs; close stress-point inspection is limited."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0009,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.55,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.9,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a leather shoulder handbag with an adjustable strap.",
                    "photo 2: Exterior is embossed 'Stone Mountain,' identifying a non-Coach brand.",
                    "photo 3: Strap buckle is visibly engraved 'Stone Mountain.'",
                    "photo 6: Interior has a fabric-lined, multi-compartment construction."
                ],
                "negative_evidence": [
                    "photo 2: The visible brand wordmark is Stone Mountain rather than COACH.",
                    "photo 3: Stone Mountain branding is present on the hardware; no Coach branding is visible.",
                    "photo 5: Interior view shows no Coach creed patch, Coach wordmark, or recognizable Coach identifier.",
                    "photo 1: The silhouette and construction are generic and do not provide a distinctive Coach model cue."
                ],
                "missing_information": [
                    "photo 5: A sharper, fully emptied interior view could confirm whether any small label or additional brand tag is present.",
                    "photo 4: The bottom, corners, and strap attachment points are not shown in close detail.",
                    "Seller-stated 1990s dating is not independently verifiable from the photos."
                ],
                "authenticity_concerns": [
                    "photo 2: The bag is explicitly branded Stone Mountain, making it a lookalike\/non-Coach item rather than a misidentified Coach bag.",
                    "photo 3: Brand-engraved buckle is inconsistent with a vintage Coach bag; vintage Coach hardware generally would not carry this Stone Mountain branding."
                ],
                "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 3: Brass-tone rounded buckle engraved 'Stone Mountain'; no Coach hardware is visible.",
                    "leather_description": "photos 1-2: Black pebbled leather with a smooth, slightly glossy finish; appears substantial but is not Coach glove-tanned leather based on the visible branding and construction.",
                    "lining_description": "photo 5: Dark synthetic fabric lining with multiple compartments and zippered sections.",
                    "strap_construction": "photos 1, 4, and 7: Long adjustable leather shoulder strap with buckle adjustment and stitched attachment tabs.",
                    "stitching_description": "photos 1-4: Generally even dark stitching is visible around the body, strap, and buckle tabs; close stress-point inspection is limited."
                },
                "possible_model_reasoning": [
                    "photo 1: The soft rectangular crossbody\/shoulder silhouette is consistent with a generic Stone Mountain shoulder bag, not a specific Coach catalog model.",
                    "photo 3: The branded buckle directly supports Stone Mountain manufacture and rules against identifying it as a Coach Willis, Court, City Bag, or other classic Coach style.",
                    "Condition: approximately Very Good to Excellent from visible exterior photos; leather remains intact with ordinary creasing, while the interior shows no obvious major damage. Odor and hidden wear are unknown."
                ],
                "confidence": 0.9,
                "recommended_max_bid": 12,
                "estimated_resale_low": 15,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 2: competing brand wordmark 'Stone Mountain' embossed in leather",
                    "photo 3: hardware engraved 'Stone Mountain' - branded hardware for another maker, not Coach"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "bottom and corner close-ups to confirm wear (photos show front\/side\/top only)"
                ],
                "negative_evidence": [
                    "photo 2: 'Stone Mountain' embossed directly on exterior leather - positive ID as Stone Mountain, not Coach",
                    "photo 3: buckle engraved 'Stone Mountain' - maker-branded hardware, not unmarked vintage Coach solid brass",
                    "photo 5: fabric lining with 'Stone Mountain' printed trim and fabric slip pockets - vintage Coach classics are unlined suede, not fabric-lined",
                    "photo 1, photo 4, photo 6: no turnlock, no Coach creed patch, no Coach hangtag, no horse-and-carriage visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone buckle on adjustable strap engraved Stone Mountain (photo 3); top zipper with dark teeth (photo 5)",
                    "leather_description": "black pebbled grain leather, soft slouchy hand (photo 1, photo 2, photo 4)",
                    "lining_description": "dark fabric lining with Stone Mountain printed trim tape and fabric slip pockets (photo 5)",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even dark stitching along strap and top edge (photo 3, photo 4)",
                    "strap_construction": "thin flat adjustable crossbody\/shoulder strap with buckle adjustment (photo 1, photo 3, photo 6)",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: black leather shoulder\/crossbody bag of 1990s style - same broad population where vintage Coach hides, but no Coach-specific identifier"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: competing Stone Mountain branding on leather (photo 2) and hardware (photo 3) plus fabric lining (photo 5) rules out Coach manufacture",
                    "Seller identification as Stone Mountain is correct and consistent across photos",
                    "Condition: Excellent to Very Good; leather clean with no major corner wear visible (photo 1, photo 6), strap intact (photo 3), interior clean (photo 5); bottom corners not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.05,
                "vintage_probability": 0.6
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
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            "total_tokens": 18913,
            "estimated_cost_usd": 0.009215
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
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}