Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.025,
    "vintage_probability": 0.525,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.79,
    "seller_misidentification_probability": 0.105,
    "confidence": 0.865,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 15,
    "estimated_resale_high": 42.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a leather crossbody handbag with a flap, shoulder strap, and decorated front.",
        "photo 2: Interior appears to be suede or leather-backed rather than synthetic fabric.",
        "photo 5: Close-up interior marking is visible, but it does not visibly show a Coach creed or readable Coach branding.",
        "photo 2: unlined suede-back interior similar in material to vintage glove-tanned bags, but without Coach identifiers",
        "photo 1,4,6: genuine leather small flap crossbody of 1970s boho type - the population where unbranded bags occur"
    ],
    "negative_evidence": [
        "photo 1: Hand-painted floral decoration, extensive leather lacing, and a braided front tie are not characteristic of the cataloged classic Coach silhouettes.",
        "photo 1: The bag has no visible Coach wordmark, horse-and-carriage, hangtag, or Coach-style turnlock.",
        "photo 2: Interior marking appears to be a faint non-Coach stamp or decorative mark; no standard rectangular Coach creed patch is visible.",
        "photo 6: Back construction is heavily laced and artisan\/boho in style, unlike typical vintage Coach construction.",
        "photo 1: Closure is a leather tie\/flap arrangement rather than a recognizable Coach turnlock or period Coach clasp.",
        "photo 1,3,4,6: no Coach creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
        "photo 1,3,4,6: laced leather-thong construction with braided leather closure - never used on vintage Coach classics",
        "photo 1,3,4: hand-painted floral decoration on leather - not a Coach factory finish for classics",
        "photo 2,5: no turnlock, no solid brass hardware, no brass dogleash clips, no zippers",
        "photo 5: ink stamp on flap underside reads MADE IN MEXICO - not a Coach creed format, no No. line"
    ],
    "missing_information": [
        "photo 2\/5: A sharper, straight-on close-up of the interior marking is needed to identify the maker.",
        "photo 2: Full interior cavity, pockets, lining, and any sewn-in label are not shown.",
        "photo 1\/6: Measurements and a closer view of strap attachment and stitching would help identify the artisan or country of origin.",
        "photo 1: Hardware and zipper details are not shown.",
        "No Coach creed patch visible - none expected for this construction",
        "No bottom \/ interior pocket views beyond flap underside",
        "Seller-stated dimensions not provided"
    ],
    "authenticity_concerns": [
        "photo 1: The visible design and construction strongly suggest an unbranded or artisan leather bag rather than a Coach product.",
        "photo 2: The faint interior stamp is not legible enough to verify branding and does not resemble a clearly visible Coach creed patch."
    ],
    "possible_model_reasoning": [
        "No Coach model is a close match: the floral painting, laced perimeter, braided tie, and artisan construction do not fit the listed Coach City Bag, Stewardess, Dinky, or other classic silhouettes.",
        "The faint interior stamp cannot be decoded from the photos, so it cannot support a Coach identification.",
        "Condition: Good; visible scratches, scuffs, finish variation, and wear are present, while the strap and interior are not fully assessed.",
        "No Coach model fits: silhouette, laced construction, braided leather closure and hand-painted florals match 1970s Mexican boho tourist\/craft purse, not any catalog style in 4.1-4.2",
        "Stamp decode: photo 5 shows MADE IN MEXICO in green ink on flap underside; upper ink lines illegible; this is a country-of-origin stamp, not a Coach creed and contains no No. number",
        "Era reasoning: boho laced style suggests 1970s-1990s handmade Mexican bag, but without maker mark cannot date reliably, so non-Coach era label used",
        "Condition: Good; leather with patina, scratches and surface wear (photo 1,3,6), strap intact with twist wear (photo 4), no tears or broken hardware visible, interior stamp faded (photo 5)"
    ],
    "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": "no metal hardware visible; closure is braided leather strap through laced body; no turnlock, no buckle, no rivets, no zipper pull",
        "leather_description": "Brown\/tan leather with a glossy worn finish, hand-painted floral motifs, and extensive dark leather lacing visible in photos 1-3 and 6.",
        "lining_description": "Suede-like leather interior visible in photos 2 and 5; no fabric lining or sewn label is clearly visible.",
        "strap_construction": "Long, narrow leather crossbody strap, apparently attached through side leather loops; visible in photos 1, 4, and 6.",
        "stitching_description": "Decorative and structural lacing through repeated perimeter slots is visible; conventional seam stitching is limited or not clearly visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0021,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.55,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.18,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a leather crossbody handbag with a flap, shoulder strap, and decorated front.",
                    "photo 2: Interior appears to be suede or leather-backed rather than synthetic fabric.",
                    "photo 5: Close-up interior marking is visible, but it does not visibly show a Coach creed or readable Coach branding."
                ],
                "negative_evidence": [
                    "photo 1: Hand-painted floral decoration, extensive leather lacing, and a braided front tie are not characteristic of the cataloged classic Coach silhouettes.",
                    "photo 1: The bag has no visible Coach wordmark, horse-and-carriage, hangtag, or Coach-style turnlock.",
                    "photo 2: Interior marking appears to be a faint non-Coach stamp or decorative mark; no standard rectangular Coach creed patch is visible.",
                    "photo 6: Back construction is heavily laced and artisan\/boho in style, unlike typical vintage Coach construction.",
                    "photo 1: Closure is a leather tie\/flap arrangement rather than a recognizable Coach turnlock or period Coach clasp."
                ],
                "missing_information": [
                    "photo 2\/5: A sharper, straight-on close-up of the interior marking is needed to identify the maker.",
                    "photo 2: Full interior cavity, pockets, lining, and any sewn-in label are not shown.",
                    "photo 1\/6: Measurements and a closer view of strap attachment and stitching would help identify the artisan or country of origin.",
                    "photo 1: Hardware and zipper details are not shown."
                ],
                "authenticity_concerns": [
                    "photo 1: The visible design and construction strongly suggest an unbranded or artisan leather bag rather than a Coach product.",
                    "photo 2: The faint interior stamp is not legible enough to verify branding and does not resemble a clearly visible Coach creed patch."
                ],
                "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": "not_visible",
                    "leather_description": "Brown\/tan leather with a glossy worn finish, hand-painted floral motifs, and extensive dark leather lacing visible in photos 1-3 and 6.",
                    "lining_description": "Suede-like leather interior visible in photos 2 and 5; no fabric lining or sewn label is clearly visible.",
                    "strap_construction": "Long, narrow leather crossbody strap, apparently attached through side leather loops; visible in photos 1, 4, and 6.",
                    "stitching_description": "Decorative and structural lacing through repeated perimeter slots is visible; conventional seam stitching is limited or not clearly visible."
                },
                "possible_model_reasoning": [
                    "No Coach model is a close match: the floral painting, laced perimeter, braided tie, and artisan construction do not fit the listed Coach City Bag, Stewardess, Dinky, or other classic silhouettes.",
                    "The faint interior stamp cannot be decoded from the photos, so it cannot support a Coach identification.",
                    "Condition: Good; visible scratches, scuffs, finish variation, and wear are present, while the strap and interior are not fully assessed."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 50
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "No Coach creed patch visible - none expected for this construction",
                    "No bottom \/ interior pocket views beyond flap underside",
                    "Seller-stated dimensions not provided"
                ],
                "negative_evidence": [
                    "photo 1,3,4,6: no Coach creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
                    "photo 1,3,4,6: laced leather-thong construction with braided leather closure - never used on vintage Coach classics",
                    "photo 1,3,4: hand-painted floral decoration on leather - not a Coach factory finish for classics",
                    "photo 2,5: no turnlock, no solid brass hardware, no brass dogleash clips, no zippers",
                    "photo 5: ink stamp on flap underside reads MADE IN MEXICO - not a Coach creed format, no No. line"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "no metal hardware visible; closure is braided leather strap through laced body; no turnlock, no buckle, no rivets, no zipper pull",
                    "leather_description": "medium-brown smooth leather with patina and surface scratches, hand-painted small floral motifs in red\/white\/green, laced edges with dark leather thong",
                    "lining_description": "unlined - raw suede-back leather visible on flap underside in photo 2",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "no machine stitching visible; assembled with leather lacing through punched holes",
                    "strap_construction": "narrow flat brown leather crossbody strap with twisted\/braided section, laced to body sides, no buckle adjustment or metal clips visible",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 2: unlined suede-back interior similar in material to vintage glove-tanned bags, but without Coach identifiers",
                    "photo 1,4,6: genuine leather small flap crossbody of 1970s boho type - the population where unbranded bags occur"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: silhouette, laced construction, braided leather closure and hand-painted florals match 1970s Mexican boho tourist\/craft purse, not any catalog style in 4.1-4.2",
                    "Stamp decode: photo 5 shows MADE IN MEXICO in green ink on flap underside; upper ink lines illegible; this is a country-of-origin stamp, not a Coach creed and contains no No. number",
                    "Era reasoning: boho laced style suggests 1970s-1990s handmade Mexican bag, but without maker mark cannot date reliably, so non-Coach era label used",
                    "Condition: Good; leather with patina, scratches and surface wear (photo 1,3,6), strap intact with twist wear (photo 4), no tears or broken hardware visible, interior stamp faded (photo 5)"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.5
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 26113,
            "output_tokens": 792,
            "total_tokens": 26905,
            "estimated_cost_usd": 0.012346
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 27555,
            "output_tokens": 1639,
            "total_tokens": 29194,
            "estimated_cost_usd": 0.006822
        }
    ]
}