Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.035,
    "vintage_probability": 0.16,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.755,
    "seller_misidentification_probability": 0.075,
    "confidence": 0.82,
    "recommended_max_bid": 11,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Structured leather-like handbag silhouette with a top handle and gold-tone hardware.",
        "photo 5: Interior and zip pocket are clearly visible."
    ],
    "negative_evidence": [
        "photo 1: No visible COACH wordmark, horse-and-carriage, creed patch, or hangtag.",
        "photo 1: Hardware is a bright gold-tone framed construction rather than the solid brass turnlock and classic Coach hardware typical of vintage Coach.",
        "photo 5: Fabric-lined interior and metal frame construction do not match the usual unlined glove-tanned classic Coach silhouettes.",
        "photo 6: Bright plated-looking frame hardware and generic construction are more consistent with a non-Coach fashion handbag.",
        "photo 1: kisslock\/frame top closure, not Coach turnlock flap - no turnlock present",
        "photo 5-6: cream synthetic satin-like lining with zip pocket, not unlined suede-back glove-tanned leather",
        "photo 1-4: bright gold-tone plated frame hardware, not solid brass vintage Coach hardware",
        "photo 1-4: structured frame satchel silhouette with looped top handle does not match any catalog Coach style",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible"
    ],
    "missing_information": [
        "photo 5: No clear view of any interior brand label or sewn-in fabric tag.",
        "A straight-on close-up of the entire interior, including all pockets and seams, would confirm whether any brand marking is present.",
        "Bottom, side, strap attachment, and zipper-pull close-ups are not fully documented.",
        "photo 5-6: no creed patch visible - request straight-on interior wall\/pocket view to confirm absence",
        "photo 1-4: no COACH wordmark, hangtag, or hardware stamps shown - request close-ups",
        "photo 5: interior zipper brand stamp not legible - request macro"
    ],
    "authenticity_concerns": [
        "No Coach-specific identifier is visible, so the bag cannot be supported as Coach from these photos.",
        "The generic frame, fabric lining, and bright plated-looking gold hardware are inconsistent with a typical vintage Coach classic."
    ],
    "possible_model_reasoning": [
        "The structured framed silhouette does not closely match the listed vintage Coach catalog styles, which generally use flap-and-turnlock, bucket, or soft shoulder-bag constructions.",
        "No creed, serial, wordmark, or Coach-specific hardware is visible; the most likely classification is a generic secondhand structured handbag.",
        "Condition appears approximately Very Good to Excellent visually: minor surface creasing and handling marks are visible in photos 1\u20132, while the interior appears clean in photo 5; odor and hidden defects are unknown.",
        "No Coach model fits: frame\/kisslock satchel with synthetic lining and plated frame is inconsistent with Classic glove-tanned turnlock models (Willis 9927, Court 9870, Dinky 9375, etc.) and with Cashin kisslock bags which are unlined leather with brass hardware and fabric labels",
        "Era reasoning: construction (synthetic lining, plated frame, painted edges) points to modern non-Coach rather than any vintage Coach era",
        "Condition: Like New \/ Mint; photos 1-6 show clean exterior, clean lining, no corner wear, consistent with seller statement never used"
    ],
    "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 and photo 6: Bright gold-tone metal frame and fittings; no visible Coach engraving. Handle attachments use rings\/clips rather than a Coach turnlock.",
        "leather_description": "photo 1 and photo 2: Smooth black leather-like exterior with some surface creasing; material cannot be confirmed as genuine leather from photos.",
        "lining_description": "photo 5 and photo 6: Light beige fabric lining with an interior zip pocket; no visible brand label.",
        "strap_construction": "photo 1 and photo 4: Short rounded top handle attached at both sides with metal fittings; no detachable long strap visible.",
        "stitching_description": "photo 2: Machine stitching appears relatively even along the exterior edge; close-up coverage is limited."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0022,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.12,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.12,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Structured leather-like handbag silhouette with a top handle and gold-tone hardware.",
                    "photo 5: Interior and zip pocket are clearly visible."
                ],
                "negative_evidence": [
                    "photo 1: No visible COACH wordmark, horse-and-carriage, creed patch, or hangtag.",
                    "photo 1: Hardware is a bright gold-tone framed construction rather than the solid brass turnlock and classic Coach hardware typical of vintage Coach.",
                    "photo 5: Fabric-lined interior and metal frame construction do not match the usual unlined glove-tanned classic Coach silhouettes.",
                    "photo 6: Bright plated-looking frame hardware and generic construction are more consistent with a non-Coach fashion handbag."
                ],
                "missing_information": [
                    "photo 5: No clear view of any interior brand label or sewn-in fabric tag.",
                    "A straight-on close-up of the entire interior, including all pockets and seams, would confirm whether any brand marking is present.",
                    "Bottom, side, strap attachment, and zipper-pull close-ups are not fully documented."
                ],
                "authenticity_concerns": [
                    "No Coach-specific identifier is visible, so the bag cannot be supported as Coach from these photos.",
                    "The generic frame, fabric lining, and bright plated-looking gold hardware are inconsistent with a typical vintage Coach classic."
                ],
                "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 6: Bright gold-tone metal frame and fittings; no visible Coach engraving. Handle attachments use rings\/clips rather than a Coach turnlock.",
                    "leather_description": "photo 1 and photo 2: Smooth black leather-like exterior with some surface creasing; material cannot be confirmed as genuine leather from photos.",
                    "lining_description": "photo 5 and photo 6: Light beige fabric lining with an interior zip pocket; no visible brand label.",
                    "strap_construction": "photo 1 and photo 4: Short rounded top handle attached at both sides with metal fittings; no detachable long strap visible.",
                    "stitching_description": "photo 2: Machine stitching appears relatively even along the exterior edge; close-up coverage is limited."
                },
                "possible_model_reasoning": [
                    "The structured framed silhouette does not closely match the listed vintage Coach catalog styles, which generally use flap-and-turnlock, bucket, or soft shoulder-bag constructions.",
                    "No creed, serial, wordmark, or Coach-specific hardware is visible; the most likely classification is a generic secondhand structured handbag.",
                    "Condition appears approximately Very Good to Excellent visually: minor surface creasing and handling marks are visible in photos 1\u20132, while the interior appears clean in photo 5; odor and hidden defects are unknown."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 10,
                "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": 0.8,
                "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": [
                    "photo 5-6: no creed patch visible - request straight-on interior wall\/pocket view to confirm absence",
                    "photo 1-4: no COACH wordmark, hangtag, or hardware stamps shown - request close-ups",
                    "photo 5: interior zipper brand stamp not legible - request macro"
                ],
                "negative_evidence": [
                    "photo 1: kisslock\/frame top closure, not Coach turnlock flap - no turnlock present",
                    "photo 5-6: cream synthetic satin-like lining with zip pocket, not unlined suede-back glove-tanned leather",
                    "photo 1-4: bright gold-tone plated frame hardware, not solid brass vintage Coach hardware",
                    "photo 1-4: structured frame satchel silhouette with looped top handle does not match any catalog Coach style",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone metal frame closure and handle anchors; shiny plated appearance, not solid brass patina",
                    "leather_description": "smooth black material, uniform sheen, appears to be coated leather or faux leather; no glove-tanned grain\/patina visible",
                    "lining_description": "cream\/off-white smooth synthetic lining with interior zip pocket, gathered at frame",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "small even edge stitching visible on side (photo 2); no contrast thread or stress-point detail visible",
                    "strap_construction": "short fixed top handle in same black material with wrapped\/looped attachment to frame",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: frame\/kisslock satchel with synthetic lining and plated frame is inconsistent with Classic glove-tanned turnlock models (Willis 9927, Court 9870, Dinky 9375, etc.) and with Cashin kisslock bags which are unlined leather with brass hardware and fabric labels",
                    "Era reasoning: construction (synthetic lining, plated frame, painted edges) points to modern non-Coach rather than any vintage Coach era",
                    "Condition: Like New \/ Mint; photos 1-6 show clean exterior, clean lining, no corner wear, consistent with seller statement never used"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.2
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18098,
            "output_tokens": 785,
            "total_tokens": 18883,
            "estimated_cost_usd": 0.009123
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18649,
            "output_tokens": 1245,
            "total_tokens": 19894,
            "estimated_cost_usd": 0.004726
        }
    ]
}