Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.5,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.89,
    "seller_misidentification_probability": 0.02,
    "confidence": 0.88,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 17.5,
    "estimated_resale_high": 47.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a leather crossbody handbag with a long adjustable strap.",
        "photo 1: Brown leather body and visible hand-decorative geometric beadwork\/embroidery.",
        "photo 1-3: leather flap crossbody handbag, the population where misidentified Coach could hide"
    ],
    "negative_evidence": [
        "photo 1: Front is dominated by Southwestern geometric decoration and white contrasting lacing, unlike a typical Coach classic silhouette.",
        "photo 1: No visible Coach wordmark, horse-and-carriage, creed patch, hangtag, or style\/serial number.",
        "photo 1: Closure uses round snap hardware rather than a recognizable Coach turnlock.",
        "photo 3: Back construction and decorative lacing resemble a generic Western or Southwestern leather bag rather than Coach construction.",
        "photo 4: Hardware appears silver\/dark-tone and generic; no Coach engraving is visible.",
        "photo 1: Seller lists the bag as unbranded, consistent with the absence of any visible brand identifier.",
        "photo 1,2: no turnlock - closure is two large round snap buttons, not Coach turnlock geometry",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch or hangtag visible",
        "photo 1,2,5: all-over geometric embroidered tribal motifs in white\/red\/blue\/yellow never used on vintage Coach classics",
        "photo 1-4: white contrast whipstitch\/lacing around all edges, not Coach matched-thread stitching",
        "photo 3,4: thin flat unstructured strap with punched holes tied in knot and small wire rings, not Coach buckle-adjustable or dogleash strap"
    ],
    "missing_information": [
        "photo 1-6: No straight-on close-up of any interior brand label or stamped leather patch.",
        "photo 1-6: No clear interior-wide photo showing lining, pockets, or a possible creed location.",
        "photo 1-6: Exact dimensions and material\/production origin are not provided.",
        "photo 1-6: Zipper, snap, and hardware markings are not shown in dedicated close-ups.",
        "interior compartment view not shown so lining and any interior patch\/label unknown",
        "no creed close-up shown",
        "no hardware stamp close-up"
    ],
    "authenticity_concerns": [
        "photo 1: The decorative Western\/Southwestern styling, snap closure, and lack of Coach identifiers strongly indicate a non-Coach lookalike or unrelated maker.",
        "photo 3: Construction and decoration are inconsistent with the classic Coach glove-tanned leather handbag designs in the reference catalog.",
        "photo 1-6: silhouette with dual snap flap, tribal geometric embroidery and white whipstitch trim matches no Coach catalog style 1960s-2026"
    ],
    "possible_model_reasoning": [
        "photo 1: The rectangular flap crossbody format is generic and does not closely match a specific Coach catalog model.",
        "photo 1: Southwestern beadwork\/embroidery and extensive perimeter lacing point toward a Western or artisan leather bag rather than a Coach model.",
        "photo 1-6: No Coach identifier is visible, so no Coach model can be reasonably proposed.",
        "photo 1-6: Condition appears Good to Very Good: leather shows creasing, surface wear, and strap wear, but no obvious major tear or broken hardware is visible; odor and hidden damage are unknown.",
        "No Coach model fits: snap-flap embroidered boho\/Western silhouette, whipstitch trim and thin knotted strap are inconsistent with City Bag, Dinky, Court, Willis or any Cashin or classic catalog style",
        "No creed, serial, wordmark, turnlock or hangtag to decode; era cannot be dated by Coach identifiers",
        "Condition: Very Good to Excellent exterior for a boho bag; leather supple with light wear, embroidery intact, no corner wear visible (photo 1-3); interior and bottom not shown so grade capped"
    ],
    "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: Round snap fasteners and metal strap rings are visible; they appear generic silver\/dark-tone hardware. No Coach engraving is legible.",
        "leather_description": "photo 1: Brown textured leather with darker painted or tooled geometric lines and extensive contrasting white lacing; apparent genuine leather, but exact tannage is not determinable.",
        "lining_description": "photo 4: Interior is visible and appears leather or leather-like, with no fabric lining or brand label visible; detailed construction is not fully shown.",
        "strap_construction": "photo 1: Long narrow adjustable leather crossbody strap with punched adjustment holes and metal rings; visible wear and bending near attachment points.",
        "stitching_description": "photo 1: Prominent contrasting white decorative lacing runs around the edges and panels; conventional structural stitching is not clearly assessable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0034,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.65,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.93,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a leather crossbody handbag with a long adjustable strap.",
                    "photo 1: Brown leather body and visible hand-decorative geometric beadwork\/embroidery."
                ],
                "negative_evidence": [
                    "photo 1: Front is dominated by Southwestern geometric decoration and white contrasting lacing, unlike a typical Coach classic silhouette.",
                    "photo 1: No visible Coach wordmark, horse-and-carriage, creed patch, hangtag, or style\/serial number.",
                    "photo 1: Closure uses round snap hardware rather than a recognizable Coach turnlock.",
                    "photo 3: Back construction and decorative lacing resemble a generic Western or Southwestern leather bag rather than Coach construction.",
                    "photo 4: Hardware appears silver\/dark-tone and generic; no Coach engraving is visible.",
                    "photo 1: Seller lists the bag as unbranded, consistent with the absence of any visible brand identifier."
                ],
                "missing_information": [
                    "photo 1-6: No straight-on close-up of any interior brand label or stamped leather patch.",
                    "photo 1-6: No clear interior-wide photo showing lining, pockets, or a possible creed location.",
                    "photo 1-6: Exact dimensions and material\/production origin are not provided.",
                    "photo 1-6: Zipper, snap, and hardware markings are not shown in dedicated close-ups."
                ],
                "authenticity_concerns": [
                    "photo 1: The decorative Western\/Southwestern styling, snap closure, and lack of Coach identifiers strongly indicate a non-Coach lookalike or unrelated maker.",
                    "photo 3: Construction and decoration are inconsistent with the classic Coach glove-tanned leather handbag designs in the reference catalog."
                ],
                "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: Round snap fasteners and metal strap rings are visible; they appear generic silver\/dark-tone hardware. No Coach engraving is legible.",
                    "leather_description": "photo 1: Brown textured leather with darker painted or tooled geometric lines and extensive contrasting white lacing; apparent genuine leather, but exact tannage is not determinable.",
                    "lining_description": "photo 4: Interior is visible and appears leather or leather-like, with no fabric lining or brand label visible; detailed construction is not fully shown.",
                    "strap_construction": "photo 1: Long narrow adjustable leather crossbody strap with punched adjustment holes and metal rings; visible wear and bending near attachment points.",
                    "stitching_description": "photo 1: Prominent contrasting white decorative lacing runs around the edges and panels; conventional structural stitching is not clearly assessable."
                },
                "possible_model_reasoning": [
                    "photo 1: The rectangular flap crossbody format is generic and does not closely match a specific Coach catalog model.",
                    "photo 1: Southwestern beadwork\/embroidery and extensive perimeter lacing point toward a Western or artisan leather bag rather than a Coach model.",
                    "photo 1-6: No Coach identifier is visible, so no Coach model can be reasonably proposed.",
                    "photo 1-6: Condition appears Good to Very Good: leather shows creasing, surface wear, and strap wear, but no obvious major tear or broken hardware is visible; odor and hidden damage are unknown."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 15,
                "estimated_resale_low": 20,
                "estimated_resale_high": 60
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-6: silhouette with dual snap flap, tribal geometric embroidery and white whipstitch trim matches no Coach catalog style 1960s-2026"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.85,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior compartment view not shown so lining and any interior patch\/label unknown",
                    "no creed close-up shown",
                    "no hardware stamp close-up"
                ],
                "negative_evidence": [
                    "photo 1,2: no turnlock - closure is two large round snap buttons, not Coach turnlock geometry",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch or hangtag visible",
                    "photo 1,2,5: all-over geometric embroidered tribal motifs in white\/red\/blue\/yellow never used on vintage Coach classics",
                    "photo 1-4: white contrast whipstitch\/lacing around all edges, not Coach matched-thread stitching",
                    "photo 3,4: thin flat unstructured strap with punched holes tied in knot and small wire rings, not Coach buckle-adjustable or dogleash strap"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "two large dark-tone snap buttons on flap (photo 1,2,5), small dark metal snap receivers and thin wire strap rings (photo 3,4); no brass turnlock, no branded pulls",
                    "leather_description": "medium-brown pebbled leather with darker tooled lines and multicolor geometric embroidery in white\/red\/navy\/yellow diamond and cross motifs (photo 1,2)",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "white contrast whipstitch \/ saddle-lacing around flap and body perimeter and around embroidered panels (photo 1-4)",
                    "strap_construction": "thin flat brown leather crossbody strap, suede-like back, punched adjustment holes, tied\/knotted at one end with small metal ring (photo 2,4)",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-3: leather flap crossbody handbag, the population where misidentified Coach could hide"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: snap-flap embroidered boho\/Western silhouette, whipstitch trim and thin knotted strap are inconsistent with City Bag, Dinky, Court, Willis or any Cashin or classic catalog style",
                    "No creed, serial, wordmark, turnlock or hangtag to decode; era cannot be dated by Coach identifiers",
                    "Condition: Very Good to Excellent exterior for a boho bag; leather supple with light wear, embroidery intact, no corner wear visible (photo 1-3); interior and bottom not shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.35
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 33096,
            "output_tokens": 929,
            "total_tokens": 34025,
            "estimated_cost_usd": 0.015468
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 35566,
            "output_tokens": 1539,
            "total_tokens": 37105,
            "estimated_cost_usd": 0.008344
        }
    ]
}