Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.705,
    "seller_misidentification_probability": 0.075,
    "confidence": 0.84,
    "recommended_max_bid": 15,
    "estimated_resale_low": 15,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Brown leather-looking flap handbag with a crossbody\/shoulder strap silhouette.",
        "photo 2: Metal buckles and rivets are visible, but they are generic and not Coach-specific.",
        "photo 1-5: leather handbag with brass-tone hardware - population where misidentified Coach could hide, but no specific Coach identifier seen"
    ],
    "negative_evidence": [
        "photo 2: Front design has multiple prominent buckle pockets and a central strap, unlike the documented classic Coach silhouettes.",
        "photo 4: Interior visibly contains multiple brightly colored fabric or synthetic compartments, not the typical unlined suede interior of many vintage Coach classics.",
        "photo 1: No Coach wordmark, horse-and-carriage, creed patch, or hangtag is visible.",
        "photo 2: Hardware appears decorative and generic rather than a Coach turnlock.",
        "photo 3: The listing presentation includes a product-style dimensions image and stock-like photography, supporting a modern handmade or fashion bag rather than a vintage Coach item.",
        "seller text: Seller identifies the bag as handmade and unbranded; this is weak contextual evidence and is consistent with the photos.",
        "photo 1-3,5: no turnlock, closure is center buckle strap plus two buckle front pockets - not a Coach catalog closure",
        "photo 4: green-yellow fabric lining with multiple compartments - vintage Coach classics are unlined suede, not fabric-lined multi-section",
        "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
        "photo 2-3: dual exterior buckle pockets with rivets and squared buckles - no match in Coach classic catalog (City Bag, Willis, Court, Station, Duffle)",
        "photo 2-5: silhouette is saddle \/ hobo with two front pockets - not a documented Coach style"
    ],
    "missing_information": [
        "Straight-on interior back-wall photo showing whether any creed patch is present.",
        "Close-up photos of all interior labels, fabric tags, zipper pulls, and hardware.",
        "Full strap, bottom, side, and corner photos to assess construction and condition.",
        "Independent photos rather than only product\/lifestyle images, including a close-up of the leather surface and stitching.",
        "photo of interior back wall \/ slip pocket for creed patch straight-on in raking light",
        "photo of hangtag both faces if present",
        "photo of hardware stamps \/ zipper pull brand",
        "photo of bottom and strap details"
    ],
    "authenticity_concerns": [
        "No Coach identifiers are visible in the provided photos.",
        "The construction and elaborate multi-pocket buckle design are inconsistent with the likely vintage Coach catalog styles.",
        "The bright multi-compartment lining visible in photo 4 is inconsistent with many classic unlined vintage Coach bags."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match: the bag's large 13-inch rectangular body, two front buckle pockets, central vertical strap, and extensive compartment layout do not closely match the listed classic Coach City Bag, Court, Willis, Station, or Duffle Sac silhouettes.",
        "Era reasoning: no Coach identifier is visible; the product-style photography, synthetic-looking multi-compartment interior, and seller-described handmade construction support a modern non-Coach classification.",
        "Condition: seller states brand new, but photo-based condition is not independently verifiable; visible exterior appears unused with no obvious wear. Interior and odor condition remain unknown.",
        "No Coach model fits: dual front buckle pockets + center buckle + fabric-lined multi-pocket interior does not match Willis (9927), Court (9870), Station (5130), City Bag (9790), Duffle Sac (9085) or other classics",
        "No creed, serial, wordmark, turnlock or hangtag to decode era; construction (fabric lining, buckle closures, new handmade) points to modern non-Coach",
        "Condition: New as listed; photos show clean leather with no corner wear visible, but bottom and interior not fully documented"
    ],
    "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 2: Multiple small gold-tone rivets and rectangular buckle closures; no Coach engraving is visible. photo 3: Side zipper hardware is visible but not legible.",
        "leather_description": "photo 1: Smooth-looking medium brown leather or leather-like material with a glossy, uniform finish; exact material cannot be confirmed from photos.",
        "lining_description": "photo 4: Multiple colored fabric or synthetic compartments and dividers are visible; material and branding are not legible.",
        "strap_construction": "photo 2: Central adjustable buckle strap and apparent shoulder\/crossbody strap attachments; full strap construction is not shown.",
        "stitching_description": "photo 2: Contrasting light stitching appears generally even around the flap and pockets; close-up quality is insufficient to assess stitch consistency fully."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0007,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.76,
                "seller_misidentification_probability": 0.12,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Brown leather-looking flap handbag with a crossbody\/shoulder strap silhouette.",
                    "photo 2: Metal buckles and rivets are visible, but they are generic and not Coach-specific."
                ],
                "negative_evidence": [
                    "photo 2: Front design has multiple prominent buckle pockets and a central strap, unlike the documented classic Coach silhouettes.",
                    "photo 4: Interior visibly contains multiple brightly colored fabric or synthetic compartments, not the typical unlined suede interior of many vintage Coach classics.",
                    "photo 1: No Coach wordmark, horse-and-carriage, creed patch, or hangtag is visible.",
                    "photo 2: Hardware appears decorative and generic rather than a Coach turnlock.",
                    "photo 3: The listing presentation includes a product-style dimensions image and stock-like photography, supporting a modern handmade or fashion bag rather than a vintage Coach item.",
                    "seller text: Seller identifies the bag as handmade and unbranded; this is weak contextual evidence and is consistent with the photos."
                ],
                "missing_information": [
                    "Straight-on interior back-wall photo showing whether any creed patch is present.",
                    "Close-up photos of all interior labels, fabric tags, zipper pulls, and hardware.",
                    "Full strap, bottom, side, and corner photos to assess construction and condition.",
                    "Independent photos rather than only product\/lifestyle images, including a close-up of the leather surface and stitching."
                ],
                "authenticity_concerns": [
                    "No Coach identifiers are visible in the provided photos.",
                    "The construction and elaborate multi-pocket buckle design are inconsistent with the likely vintage Coach catalog styles.",
                    "The bright multi-compartment lining visible in photo 4 is inconsistent with many classic unlined vintage Coach bags."
                ],
                "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 2: Multiple small gold-tone rivets and rectangular buckle closures; no Coach engraving is visible. photo 3: Side zipper hardware is visible but not legible.",
                    "leather_description": "photo 1: Smooth-looking medium brown leather or leather-like material with a glossy, uniform finish; exact material cannot be confirmed from photos.",
                    "lining_description": "photo 4: Multiple colored fabric or synthetic compartments and dividers are visible; material and branding are not legible.",
                    "strap_construction": "photo 2: Central adjustable buckle strap and apparent shoulder\/crossbody strap attachments; full strap construction is not shown.",
                    "stitching_description": "photo 2: Contrasting light stitching appears generally even around the flap and pockets; close-up quality is insufficient to assess stitch consistency fully."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match: the bag's large 13-inch rectangular body, two front buckle pockets, central vertical strap, and extensive compartment layout do not closely match the listed classic Coach City Bag, Court, Willis, Station, or Duffle Sac silhouettes.",
                    "Era reasoning: no Coach identifier is visible; the product-style photography, synthetic-looking multi-compartment interior, and seller-described handmade construction support a modern non-Coach classification.",
                    "Condition: seller states brand new, but photo-based condition is not independently verifiable; visible exterior appears unused with no obvious wear. Interior and odor condition remain unknown."
                ],
                "confidence": 0.83,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "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": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of interior back wall \/ slip pocket for creed patch straight-on in raking light",
                    "photo of hangtag both faces if present",
                    "photo of hardware stamps \/ zipper pull brand",
                    "photo of bottom and strap details"
                ],
                "negative_evidence": [
                    "photo 1-3,5: no turnlock, closure is center buckle strap plus two buckle front pockets - not a Coach catalog closure",
                    "photo 4: green-yellow fabric lining with multiple compartments - vintage Coach classics are unlined suede, not fabric-lined multi-section",
                    "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
                    "photo 2-3: dual exterior buckle pockets with rivets and squared buckles - no match in Coach classic catalog (City Bag, Willis, Court, Station, Duffle)",
                    "photo 2-5: silhouette is saddle \/ hobo with two front pockets - not a documented Coach style"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone buckles (3 front) and rivets; square buckles with rounded edges; no turnlock; no engraved branding visible",
                    "leather_description": "medium-brown distressed \/ vintage-look leather, mottled patina, appears to be genuine leather as listed",
                    "lining_description": "photo 4: green \/ olive fabric lining visible inside multi-compartment interior",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "edge stitching around flap and pockets, tone-on-tone; no close-up to assess evenness",
                    "strap_construction": "flat leather crossbody \/ shoulder strap attached with riveted tabs, photo 4; full length and adjustment not shown",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-5: leather handbag with brass-tone hardware - population where misidentified Coach could hide, but no specific Coach identifier seen"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: dual front buckle pockets + center buckle + fabric-lined multi-pocket interior does not match Willis (9927), Court (9870), Station (5130), City Bag (9790), Duffle Sac (9085) or other classics",
                    "No creed, serial, wordmark, turnlock or hangtag to decode era; construction (fabric lining, buckle closures, new handmade) points to modern non-Coach",
                    "Condition: New as listed; photos show clean leather with no corner wear visible, but bottom and interior not fully documented"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17725,
            "output_tokens": 903,
            "total_tokens": 18628,
            "estimated_cost_usd": 0.009257
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18238,
            "output_tokens": 1134,
            "total_tokens": 19372,
            "estimated_cost_usd": 0.004555
        }
    ]
}