Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.03,
    "vintage_probability": 0.71,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.795,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.85,
    "recommended_max_bid": 11,
    "estimated_resale_low": 9,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: The bag has a framed, kisslock-style silhouette with ornate gold corner embossing rather than a recognizable Coach classic silhouette.",
        "photo 1: No visible Coach wordmark, carriage, hangtag, or creed patch.",
        "photo 2: The closure is a large metal frame with a central black cabochon-style clasp, not a typical vintage Coach turnlock.",
        "photo 3: The red fabric-like interior and frame construction are more consistent with a generic vintage evening or framed purse than a classic Coach leather handbag.",
        "photo 4: The exterior appears glossy and structured with decorative tooling\/embossing; no Coach identifier is visible.",
        "photo 4: Seller describes it as unbranded, which is consistent with the absence of a visible brand mark, though seller text is weak evidence.",
        "photo 1: small framed kisslock purse ~7in wide with gold-embossed filigree border - silhouette not in Coach catalog",
        "photo 2: top metal frame with black cabochon kisslock clasp - not Coach turnlock geometry",
        "photo 1,4: high-gloss smooth black leather with gold tooling - not matte glove-tanned cowhide",
        "photo 3: red leather-lined interior with simple slip pocket, no creed patch on back wall or pocket visible",
        "photo 1-4: no COACH wordmark, no horse-and-carriage, no hangtag, no creed visible"
    ],
    "missing_information": [
        "photo 3: No close-up of every interior wall or pocket label; a sewn-in brand label may be concealed.",
        "photo 1: No close-up of the exterior embossing or decorative hardware for maker identification.",
        "photo 2: No close-up of clasp, hinge, or hardware markings.",
        "photo 4: No underside, corner, or strap-attachment close-ups.",
        "Seller-stated material, dimensions, approximate age, and any maker marks are not provided.",
        "photo of any maker mark \/ interior stamp \/ brand label inside pocket or under flap - none visible",
        "photo of bottom corners and back panel straight-on for condition - limited",
        "hardware brand stamp on frame - not shown"
    ],
    "authenticity_concerns": [
        "photo 1: No evidence supports Coach manufacture; the decorative framed design is a generic\/lookalike construction rather than a documented Coach cue.",
        "photo 3: The red lining and framed closure do not align with the unlined glove-tanned construction typical of many sought-after vintage Coach classics."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match: the kisslock frame, ornate corner decoration, and compact structured profile do not correspond to the listed Coach classic models.",
        "The construction may indicate a mid-to-late-20th-century generic framed purse, but the photos do not establish a precise era.",
        "Condition: Good; visible surface scratches, creasing, and wear on the exterior and strap (photos 1 and 4); interior is worn and wrinkled (photo 3), with no obvious major tear visible.",
        "No Coach identifier visible in any photo: no creed, no wordmark, no hangtag, no solid-brass turnlock",
        "Silhouette is a gold-frame kisslock \/ book-style evening purse with embossed gold decoration, not a documented Cashin or Classic Coach style; Cashin kisslocks (Swinger\/Chubby Clutch) are unframed glove-tanned with different hardware",
        "Materials - glossy finished leather and red leather lining with gold tooling - inconsistent with 1970s-1990s unlined glove-tanned Coach construction",
        "Condition: Good; front scratches (photo 1), frame wear\/tarnish (photo 2), bottom edge scuffs (photo 4), interior appears intact (photo 3)"
    ],
    "estimated_era": "unknown",
    "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 and photo 2: Gold-tone rectangular metal frame with a central dark oval clasp, metal strap rings, and decorative embossed corner motifs; no Coach engraving visible.",
        "leather_description": "photo 1 and photo 4: Glossy black embossed or finished leather-like exterior with visible creasing and surface wear; exact material cannot be confirmed.",
        "lining_description": "photo 3: Red fabric or leather-like lining with a slip pocket and visible wrinkling; no label visible.",
        "strap_construction": "photo 1, photo 2, and photo 4: Narrow black strap attached to metal rings at the frame; strap shows creasing and wear.",
        "stitching_description": "photo 1 and photo 4: Visible contrasting or light edge stitching appears generally even, with wear and creasing along the body; detailed stress-point stitching is not fully visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0005,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.72,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.84,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: The bag has a framed, kisslock-style silhouette with ornate gold corner embossing rather than a recognizable Coach classic silhouette.",
                    "photo 1: No visible Coach wordmark, carriage, hangtag, or creed patch.",
                    "photo 2: The closure is a large metal frame with a central black cabochon-style clasp, not a typical vintage Coach turnlock.",
                    "photo 3: The red fabric-like interior and frame construction are more consistent with a generic vintage evening or framed purse than a classic Coach leather handbag.",
                    "photo 4: The exterior appears glossy and structured with decorative tooling\/embossing; no Coach identifier is visible.",
                    "photo 4: Seller describes it as unbranded, which is consistent with the absence of a visible brand mark, though seller text is weak evidence."
                ],
                "missing_information": [
                    "photo 3: No close-up of every interior wall or pocket label; a sewn-in brand label may be concealed.",
                    "photo 1: No close-up of the exterior embossing or decorative hardware for maker identification.",
                    "photo 2: No close-up of clasp, hinge, or hardware markings.",
                    "photo 4: No underside, corner, or strap-attachment close-ups.",
                    "Seller-stated material, dimensions, approximate age, and any maker marks are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1: No evidence supports Coach manufacture; the decorative framed design is a generic\/lookalike construction rather than a documented Coach cue.",
                    "photo 3: The red lining and framed closure do not align with the unlined glove-tanned construction typical of many sought-after vintage Coach classics."
                ],
                "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 and photo 2: Gold-tone rectangular metal frame with a central dark oval clasp, metal strap rings, and decorative embossed corner motifs; no Coach engraving visible.",
                    "leather_description": "photo 1 and photo 4: Glossy black embossed or finished leather-like exterior with visible creasing and surface wear; exact material cannot be confirmed.",
                    "lining_description": "photo 3: Red fabric or leather-like lining with a slip pocket and visible wrinkling; no label visible.",
                    "strap_construction": "photo 1, photo 2, and photo 4: Narrow black strap attached to metal rings at the frame; strap shows creasing and wear.",
                    "stitching_description": "photo 1 and photo 4: Visible contrasting or light edge stitching appears generally even, with wear and creasing along the body; detailed stress-point stitching is not fully visible."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match: the kisslock frame, ornate corner decoration, and compact structured profile do not correspond to the listed Coach classic models.",
                    "The construction may indicate a mid-to-late-20th-century generic framed purse, but the photos do not establish a precise era.",
                    "Condition: Good; visible surface scratches, creasing, and wear on the exterior and strap (photos 1 and 4); interior is worn and wrinkled (photo 3), with no obvious major tear visible."
                ],
                "confidence": 0.82,
                "recommended_max_bid": 12,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "unknown",
                "estimated_resale_high": 25,
                "estimated_resale_low": 8,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo of any maker mark \/ interior stamp \/ brand label inside pocket or under flap - none visible",
                    "photo of bottom corners and back panel straight-on for condition - limited",
                    "hardware brand stamp on frame - not shown"
                ],
                "negative_evidence": [
                    "photo 1: small framed kisslock purse ~7in wide with gold-embossed filigree border - silhouette not in Coach catalog",
                    "photo 2: top metal frame with black cabochon kisslock clasp - not Coach turnlock geometry",
                    "photo 1,4: high-gloss smooth black leather with gold tooling - not matte glove-tanned cowhide",
                    "photo 3: red leather-lined interior with simple slip pocket, no creed patch on back wall or pocket visible",
                    "photo 1-4: no COACH wordmark, no horse-and-carriage, no hangtag, no creed visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone metal top frame with kisslock clasp with black cabochon stone; frame shows wear\/tarnish; small ring attachments for handle",
                    "leather_description": "black smooth high-gloss leather with gold embossed filigree border and dotted trim, scratches visible on front",
                    "lining_description": "red leather interior with center divider and rear slip pocket, no creed patch visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "edge stitching visible on bottom gusset and handle, otherwise not detailed",
                    "strap_construction": "short fixed top handle in black leather, attached via metal rings to frame",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any photo: no creed, no wordmark, no hangtag, no solid-brass turnlock",
                    "Silhouette is a gold-frame kisslock \/ book-style evening purse with embossed gold decoration, not a documented Cashin or Classic Coach style; Cashin kisslocks (Swinger\/Chubby Clutch) are unframed glove-tanned with different hardware",
                    "Materials - glossy finished leather and red leather lining with gold tooling - inconsistent with 1970s-1990s unlined glove-tanned Coach construction",
                    "Condition: Good; front scratches (photo 1), frame wear\/tarnish (photo 2), bottom edge scuffs (photo 4), interior appears intact (photo 3)"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.7
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17088,
            "output_tokens": 884,
            "total_tokens": 17972,
            "estimated_cost_usd": 0.008957
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17548,
            "output_tokens": 1470,
            "total_tokens": 19018,
            "estimated_cost_usd": 0.004686
        }
    ]
}