Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.425,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.755,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.87,
    "recommended_max_bid": 12,
    "estimated_resale_low": 10,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a small shoulder handbag with a flap and long strap.",
        "photo 5: Interior construction and snap closure are visible."
    ],
    "negative_evidence": [
        "photo 1: Exterior appears to be genuine or imitation snakeskin with prominent reptile-scale patterning, not Coach's typical glove-tanned cowhide or documented signature canvas.",
        "photo 1: No visible Coach wordmark, horse-and-carriage emblem, or leather hangtag.",
        "photo 2: Long braided leather cord strap and knotted strap construction do not match the listed classic Coach model constructions.",
        "photo 4: Heavy braided piping and decorative edging are unlike the construction of typical vintage Coach classics.",
        "photo 5: Interior has no visible Coach creed patch or Coach label.",
        "photo 6: Visible zipper and lining details show no identifiable Coach branding.",
        "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 5: magnetic snap closure, not Coach turnlock geometry",
        "photo 5-6: whipstitch laced edges and thin braided strap with sliding knots, not Coach strap construction",
        "photo 6: white fabric zip pocket and unlined tan leather interior with no Coach creed",
        "photo 1-4: genuine snakeskin exterior with braided trim - silhouette does not match any Coach catalog style"
    ],
    "missing_information": [
        "photo 5-6: A straight-on, fully emptied interior-wall photograph would confirm whether any hidden brand label or creed is present.",
        "photo 1-4: Close-ups of all hardware and any underside or back markings are not provided.",
        "Seller-stated material should be clarified as genuine snakeskin, embossed leather, or synthetic material.",
        "creed patch close-up not shown - none visible in interior views provided",
        "maker mark \/ country of manufacture stamp not shown",
        "bottom and hardware brand stamps not shown",
        "seller-stated dimensions and scale reference not provided"
    ],
    "authenticity_concerns": [
        "photo 1: The exotic-skin, braided-edge design is inconsistent with the construction and materials expected of the vintage Coach catalog.",
        "photo 5: No Coach identifier is visible despite the interior being open; this is more consistent with an unbranded or other-maker purse.",
        "photo 6: The visible zipper and lining have no Coach-specific branding, although absence alone is not proof of a replica.",
        "photo 5: magnetic snap closure with silver-tone hardware inconsistent with vintage Coach brass turnlock construction",
        "photo 5-6: whipstitched \/ laced edge construction and thin braided knotted strap inconsistent with Coach classics",
        "photo 1-6: no creed patch, COACH wordmark, hangtag, or branded hardware visible to support Coach manufacture"
    ],
    "possible_model_reasoning": [
        "The silhouette is a small flap shoulder purse, but it does not closely match a documented vintage Coach model because of the reptile-scale exterior, braided edging, knotted cord strap, and snap closure.",
        "No creed, serial\/style number, wordmark, or hangtag is visible in the supplied photos, so Coach model identification is not supported.",
        "Condition: Good; the exterior shows surface wear and creasing, while the seller reports minor lining stains and wear. Strap and interior are shown, but underside and all hardware details are incomplete.",
        "No Coach model fits: silhouette, snakeskin material, magnetic snaps, whipstitch edges, and braided knotted strap are inconsistent with City Bag, Dinky, Pocket Purse or other small Coach flap styles",
        "No serial decode possible - no number visible; era cannot be established from Coach identifiers",
        "Condition: Good to Very Good; exterior scales intact with wear\/patina photo 3, interior shows light wear consistent with seller stain note, strap appears intact"
    ],
    "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 5: Two small round snap components are visible; no Coach engraving is visible. photo 6: A light-colored zipper is visible with no legible brand marking.",
        "leather_description": "photo 1 and photo 3: Brown glossy reptile-scale material with dark irregular markings; whether genuine snakeskin or embossed\/imitation material cannot be confirmed from photos.",
        "lining_description": "photo 5-6: Light tan lining with visible wear and staining; a zippered interior compartment is present.",
        "strap_construction": "photo 1-2: Long braided or cord-like shoulder strap with knotted adjustment\/attachment details.",
        "stitching_description": "photo 1 and photo 4-5: Prominent contrasting hand-look whipstitching\/braided edging around the flap and body; condition and construction are visible but not Coach-specific."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0024,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.35,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a small shoulder handbag with a flap and long strap.",
                    "photo 5: Interior construction and snap closure are visible."
                ],
                "negative_evidence": [
                    "photo 1: Exterior appears to be genuine or imitation snakeskin with prominent reptile-scale patterning, not Coach's typical glove-tanned cowhide or documented signature canvas.",
                    "photo 1: No visible Coach wordmark, horse-and-carriage emblem, or leather hangtag.",
                    "photo 2: Long braided leather cord strap and knotted strap construction do not match the listed classic Coach model constructions.",
                    "photo 4: Heavy braided piping and decorative edging are unlike the construction of typical vintage Coach classics.",
                    "photo 5: Interior has no visible Coach creed patch or Coach label.",
                    "photo 6: Visible zipper and lining details show no identifiable Coach branding."
                ],
                "missing_information": [
                    "photo 5-6: A straight-on, fully emptied interior-wall photograph would confirm whether any hidden brand label or creed is present.",
                    "photo 1-4: Close-ups of all hardware and any underside or back markings are not provided.",
                    "Seller-stated material should be clarified as genuine snakeskin, embossed leather, or synthetic material."
                ],
                "authenticity_concerns": [
                    "photo 1: The exotic-skin, braided-edge design is inconsistent with the construction and materials expected of the vintage Coach catalog.",
                    "photo 5: No Coach identifier is visible despite the interior being open; this is more consistent with an unbranded or other-maker purse.",
                    "photo 6: The visible zipper and lining have no Coach-specific branding, although absence alone is not proof of a replica."
                ],
                "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 5: Two small round snap components are visible; no Coach engraving is visible. photo 6: A light-colored zipper is visible with no legible brand marking.",
                    "leather_description": "photo 1 and photo 3: Brown glossy reptile-scale material with dark irregular markings; whether genuine snakeskin or embossed\/imitation material cannot be confirmed from photos.",
                    "lining_description": "photo 5-6: Light tan lining with visible wear and staining; a zippered interior compartment is present.",
                    "strap_construction": "photo 1-2: Long braided or cord-like shoulder strap with knotted adjustment\/attachment details.",
                    "stitching_description": "photo 1 and photo 4-5: Prominent contrasting hand-look whipstitching\/braided edging around the flap and body; condition and construction are visible but not Coach-specific."
                },
                "possible_model_reasoning": [
                    "The silhouette is a small flap shoulder purse, but it does not closely match a documented vintage Coach model because of the reptile-scale exterior, braided edging, knotted cord strap, and snap closure.",
                    "No creed, serial\/style number, wordmark, or hangtag is visible in the supplied photos, so Coach model identification is not supported.",
                    "Condition: Good; the exterior shows surface wear and creasing, while the seller reports minor lining stains and wear. Strap and interior are shown, but underside and all hardware details are incomplete."
                ],
                "confidence": 0.89,
                "recommended_max_bid": 12,
                "estimated_resale_low": 10,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 5: magnetic snap closure with silver-tone hardware inconsistent with vintage Coach brass turnlock construction",
                    "photo 5-6: whipstitched \/ laced edge construction and thin braided knotted strap inconsistent with Coach classics",
                    "photo 1-6: no creed patch, COACH wordmark, hangtag, or branded hardware visible to support Coach manufacture"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "unknown",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "creed patch close-up not shown - none visible in interior views provided",
                    "maker mark \/ country of manufacture stamp not shown",
                    "bottom and hardware brand stamps not shown",
                    "seller-stated dimensions and scale reference not provided"
                ],
                "negative_evidence": [
                    "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 5: magnetic snap closure, not Coach turnlock geometry",
                    "photo 5-6: whipstitch laced edges and thin braided strap with sliding knots, not Coach strap construction",
                    "photo 6: white fabric zip pocket and unlined tan leather interior with no Coach creed",
                    "photo 1-4: genuine snakeskin exterior with braided trim - silhouette does not match any Coach catalog style"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone magnetic snap pair visible photo 5; no brass turnlock, no branded zipper pull visible; white metal zipper photo 6",
                    "leather_description": "photo 1-4: brown genuine snakeskin \/ python-pattern exterior with glossy scales, tan leather trim and braided edge lacing",
                    "lining_description": "photo 5-6: unlined tan leather flap underside and body, plus white fabric zip pocket; seller notes minor stain and wears on lining",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "no conventional stitched seams visible; edges finished with light tan whipstitch \/ lacing around flap and body, photo 4-5",
                    "strap_construction": "photo 1-2,4-5: very thin braided leather crossbody cord with sliding knotted beads for adjustment, attached directly to bag sides",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: silhouette, snakeskin material, magnetic snaps, whipstitch edges, and braided knotted strap are inconsistent with City Bag, Dinky, Pocket Purse or other small Coach flap styles",
                    "No serial decode possible - no number visible; era cannot be established from Coach identifiers",
                    "Condition: Good to Very Good; exterior scales intact with wear\/patina photo 3, interior shows light wear consistent with seller stain note, strap appears intact"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.5
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17736,
            "output_tokens": 812,
            "total_tokens": 18548,
            "estimated_cost_usd": 0.009043
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18070,
            "output_tokens": 1400,
            "total_tokens": 19470,
            "estimated_cost_usd": 0.004734
        }
    ]
}