Vintage Coach Hunter

{
    "is_handbag_probability": 0.96,
    "coach_probability": 0.015,
    "vintage_probability": 0.035,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.83,
    "seller_misidentification_probability": 0.02,
    "confidence": 0.92,
    "recommended_max_bid": 5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 16,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: bag is constructed from black woven nylon or synthetic textile rather than vintage Coach glove-tanned leather.",
        "photo 1: prominent embroidered United States eagle seal and Washington, D.C. souvenir-style decoration; no Coach branding is visible.",
        "photo 2: reverse has nylon webbing straps and synthetic textile construction, inconsistent with classic vintage Coach handbag construction.",
        "photo 6: interior shows shiny synthetic lining and a zippered pocket, with no visible Coach creed or style tag.",
        "photo 1 and photo 2: zipper and other hardware appear silver-tone\/lightweight rather than the solid brass hardware typical of many vintage Coach classics.",
        "photo 1: black woven nylon tote with webbing straps, not glove-tanned leather",
        "photo 1: souvenir embroidery UNITED STATES OF AMERICA WASHINGTON D.C. with eagle seal, not Coach branding",
        "photo 2: plain nylon back with no leather trim or brass hardware",
        "photo 3, photo 4: soft unstructured nylon bottom with simple seams, no brass feet or turnlock",
        "photo 5: coil zipper with fabric pull, not solid brass Talon\/YKK leather-pull",
        "photo 6: shiny black polyester lining with sewn-in zip pocket, not unlined suede"
    ],
    "missing_information": [
        "photo 6: interior lining is shown, but a complete scan of all interior seams and pockets for labels or tags would provide additional confirmation.",
        "photo 1-6: no close-up of any manufacturer or care label is provided.",
        "photo 1-6: no full side and bottom construction views beyond partial close-ups."
    ],
    "authenticity_concerns": [
        "photo 1-6: the synthetic nylon body, printed\/embroidered souvenir motif, webbing handles, and synthetic lining are inconsistent with the vintage Coach leather handbag population.",
        "photo 6: no Coach creed, serial\/style number, or Coach wordmark is visible; this is a generic souvenir tote rather than an identifiable Coach model."
    ],
    "possible_model_reasoning": [
        "photo 1: silhouette and construction fit a modern souvenir or institutional nylon zip tote, not a listed vintage Coach model.",
        "photo 6: the synthetic lining and interior pocket further support a generic modern tote classification.",
        "Condition: Good; visible wrinkling, surface wear, and loose\/frayed embroidery threads in photos 1, 5, and 6; zipper and handles appear present, but odor and hidden damage cannot be assessed.",
        "No Coach identifiers visible in any photo: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag, no turnlock",
        "Construction inconsistent with vintage Coach: nylon body, webbing straps, polyester lining and coil zipper vs glove-tanned leather, solid brass hardware and unlined suede interior",
        "Silhouette is generic souvenir zip-top tote ~16x12 in with eagle embroidery, not a Coach catalog style",
        "Condition: Good to Very Good as souvenir tote; light soiling\/wear visible in photos 2 and 5, no structural damage shown"
    ],
    "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 1-6: silver-tone zipper hardware with a black synthetic zipper pull; no Coach-marked hardware is visible.",
        "leather_description": "photo 1-6: no leather is visible; body and handles appear to be woven synthetic textile\/nylon webbing.",
        "lining_description": "photo 6: shiny brown\/black synthetic textile lining with an interior zip pocket.",
        "strap_construction": "photo 1-5: two long black nylon webbing handles sewn to the bag; no leather strap or detachable Coach-style hardware.",
        "stitching_description": "photo 1-6: machine-stitched textile construction is visible; some loose\/frayed threads and wear are present around the embroidered interior\/front panel."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.001,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.97,
                "coach_probability": 0.01,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.01,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: bag is constructed from black woven nylon or synthetic textile rather than vintage Coach glove-tanned leather.",
                    "photo 1: prominent embroidered United States eagle seal and Washington, D.C. souvenir-style decoration; no Coach branding is visible.",
                    "photo 2: reverse has nylon webbing straps and synthetic textile construction, inconsistent with classic vintage Coach handbag construction.",
                    "photo 6: interior shows shiny synthetic lining and a zippered pocket, with no visible Coach creed or style tag.",
                    "photo 1 and photo 2: zipper and other hardware appear silver-tone\/lightweight rather than the solid brass hardware typical of many vintage Coach classics."
                ],
                "missing_information": [
                    "photo 6: interior lining is shown, but a complete scan of all interior seams and pockets for labels or tags would provide additional confirmation.",
                    "photo 1-6: no close-up of any manufacturer or care label is provided.",
                    "photo 1-6: no full side and bottom construction views beyond partial close-ups."
                ],
                "authenticity_concerns": [
                    "photo 1-6: the synthetic nylon body, printed\/embroidered souvenir motif, webbing handles, and synthetic lining are inconsistent with the vintage Coach leather handbag population.",
                    "photo 6: no Coach creed, serial\/style number, or Coach wordmark is visible; this is a generic souvenir tote rather than an identifiable Coach model."
                ],
                "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 1-6: silver-tone zipper hardware with a black synthetic zipper pull; no Coach-marked hardware is visible.",
                    "leather_description": "photo 1-6: no leather is visible; body and handles appear to be woven synthetic textile\/nylon webbing.",
                    "lining_description": "photo 6: shiny brown\/black synthetic textile lining with an interior zip pocket.",
                    "strap_construction": "photo 1-5: two long black nylon webbing handles sewn to the bag; no leather strap or detachable Coach-style hardware.",
                    "stitching_description": "photo 1-6: machine-stitched textile construction is visible; some loose\/frayed threads and wear are present around the embroidered interior\/front panel."
                },
                "possible_model_reasoning": [
                    "photo 1: silhouette and construction fit a modern souvenir or institutional nylon zip tote, not a listed vintage Coach model.",
                    "photo 6: the synthetic lining and interior pocket further support a generic modern tote classification.",
                    "Condition: Good; visible wrinkling, surface wear, and loose\/frayed embroidery threads in photos 1, 5, and 6; zipper and handles appear present, but odor and hidden damage cannot be assessed."
                ],
                "confidence": 0.94,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 20
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 12,
                "estimated_resale_low": 5,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.95,
                "missing_information": [],
                "negative_evidence": [
                    "photo 1: black woven nylon tote with webbing straps, not glove-tanned leather",
                    "photo 1: souvenir embroidery UNITED STATES OF AMERICA WASHINGTON D.C. with eagle seal, not Coach branding",
                    "photo 2: plain nylon back with no leather trim or brass hardware",
                    "photo 3, photo 4: soft unstructured nylon bottom with simple seams, no brass feet or turnlock",
                    "photo 5: coil zipper with fabric pull, not solid brass Talon\/YKK leather-pull",
                    "photo 6: shiny black polyester lining with sewn-in zip pocket, not unlined suede"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone coil zip top with fabric pull; no brass turnlock, buckles, D-rings or rivets visible",
                    "leather_description": "no leather visible; black woven nylon \/ synthetic canvas body",
                    "lining_description": "black shiny polyester \/ nylon lining with interior zip pocket visible in photo 6",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching on nylon and webbing; no leather edge finishing observed",
                    "strap_construction": "twin fixed-length black nylon webbing shoulder straps sewn to body",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifiers visible in any photo: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag, no turnlock",
                    "Construction inconsistent with vintage Coach: nylon body, webbing straps, polyester lining and coil zipper vs glove-tanned leather, solid brass hardware and unlined suede interior",
                    "Silhouette is generic souvenir zip-top tote ~16x12 in with eagle embroidery, not a Coach catalog style",
                    "Condition: Good to Very Good as souvenir tote; light soiling\/wear visible in photos 2 and 5, no structural damage shown"
                ],
                "possible_models": [],
                "recommended_max_bid": 5,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 33100,
            "output_tokens": 799,
            "total_tokens": 33899,
            "estimated_cost_usd": 0.015158
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 35571,
            "output_tokens": 1250,
            "total_tokens": 36821,
            "estimated_cost_usd": 0.008114
        }
    ]
}