Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.17,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.685,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.82,
    "recommended_max_bid": 9,
    "estimated_resale_low": 10,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a structured top-handle shoulder handbag with a detachable long strap.",
        "photo 1: The bag has gold-tone hardware and a convertible handle\/shoulder-strap configuration, features sometimes seen on vintage handbags generally.",
        "photo 1-4: structured flap top-handle convertible shoulder bag silhouette broadly in vintage flap-bag family"
    ],
    "negative_evidence": [
        "photo 1: Seller describes the material as faux leather; the glossy, uniformly coated surface is consistent with synthetic material rather than Coach glove-tanned leather.",
        "photo 1: Front features a generic stitched grid pattern with small dark square accents, not a recognizable Coach construction or signature canvas pattern.",
        "photo 1: Central clasp is a generic decorative closure and does not resemble a classic Coach turnlock.",
        "photo 1: No visible Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or Coach hangtag.",
        "photo 3: Back is plain and lacks visible branding or a creed patch.",
        "photo 1: Highly glossy finish and decorative construction are inconsistent with the typical unlined glove-tanned leather classics sought in vintage Coach.",
        "seller states Faux Leather in title - photo 1-6 show high-gloss coated faux finish, not glove-tanned cowhide",
        "photo 1-6: stitched windowpane\/grid patchwork body - no Coach catalog silhouette uses this construction",
        "photo 1,2,4,5,6: front clasp is small gold-tone tuck\/push lock with round knob, not Coach turnlock geometry with wide thin oval back plate and slim rounded tab",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
        "photo 3: plain back with no exterior slip pocket typical of many Coach flap classics",
        "no unlined suede-back glove-tanned interior visible - interior not shown at all"
    ],
    "missing_information": [
        "photo 1-6: Interior view, including the back wall, pockets, lining, and any sewn-in labels or creed patch.",
        "photo 1-6: Close-up of the clasp, hardware, zipper pulls, and any embossed markings.",
        "photo 1-6: Bottom, corners, and interior condition views.",
        "Seller-stated dimensions and material composition confirmation.",
        "interior views emptied showing lining and any creed patch or labels",
        "creed patch straight-on in raking light if present",
        "bottom and corners and hardware engravings",
        "close-up of clasp front and back plate and strap clips"
    ],
    "authenticity_concerns": [
        "The faux-leather material and generic decorative grid\/clasp strongly indicate a non-Coach lookalike rather than a Coach-made leather handbag.",
        "No Coach identifier is visible in the supplied photos; silhouette and gold-tone hardware alone are insufficient evidence of Coach manufacture.",
        "photo 1-6: glossy faux-leather body and grid-patchwork finish inconsistent with vintage Coach glove-tanned cowhide"
    ],
    "possible_model_reasoning": [
        "No likely Coach model: the decorative grid-panel silhouette and clasp do not closely match the listed vintage Coach classics, and no Coach identifier is visible.",
        "Condition: approximately Good to Very Good from exterior photos; surface appears intact, though strong flash glare obscures fine wear and the interior, corners, lining, and odor are unknown.",
        "No Coach model fits: grid-patchwork faux-leather body, non-Coach clasp geometry, and faux material exclude City Bag (9790), Willis (9927), Court (9870), Station (5130) and other classics",
        "Era reasoning: materials and construction indicate modern non-Coach fast-fashion\/vintage-style bag, not any Coach creed era",
        "Condition: Good to Very Good exterior with light scuffs and shine wear (photo 6); interior, bottom corners and strap fold not shown so 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": "Visible gold-tone decorative central clasp and multiple strap rings\/clips; no Coach engraving is visible. The central closure does not have the characteristic vintage Coach turnlock geometry.",
        "leather_description": "Glossy brown faux-leather or synthetic-looking material, as stated by the seller; no visible natural grain or glove-tanned leather characteristics.",
        "lining_description": "not_visible",
        "strap_construction": "Visible short top handle and detachable-looking long shoulder strap with adjustable hardware and clips.",
        "stitching_description": "Visible machine stitching is generally straight and regular, with decorative stitched grid panels; interior stress-point stitching is not visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0053,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.04,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a structured top-handle shoulder handbag with a detachable long strap.",
                    "photo 1: The bag has gold-tone hardware and a convertible handle\/shoulder-strap configuration, features sometimes seen on vintage handbags generally."
                ],
                "negative_evidence": [
                    "photo 1: Seller describes the material as faux leather; the glossy, uniformly coated surface is consistent with synthetic material rather than Coach glove-tanned leather.",
                    "photo 1: Front features a generic stitched grid pattern with small dark square accents, not a recognizable Coach construction or signature canvas pattern.",
                    "photo 1: Central clasp is a generic decorative closure and does not resemble a classic Coach turnlock.",
                    "photo 1: No visible Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or Coach hangtag.",
                    "photo 3: Back is plain and lacks visible branding or a creed patch.",
                    "photo 1: Highly glossy finish and decorative construction are inconsistent with the typical unlined glove-tanned leather classics sought in vintage Coach."
                ],
                "missing_information": [
                    "photo 1-6: Interior view, including the back wall, pockets, lining, and any sewn-in labels or creed patch.",
                    "photo 1-6: Close-up of the clasp, hardware, zipper pulls, and any embossed markings.",
                    "photo 1-6: Bottom, corners, and interior condition views.",
                    "Seller-stated dimensions and material composition confirmation."
                ],
                "authenticity_concerns": [
                    "The faux-leather material and generic decorative grid\/clasp strongly indicate a non-Coach lookalike rather than a Coach-made leather handbag.",
                    "No Coach identifier is visible in the supplied photos; silhouette and gold-tone hardware alone are insufficient evidence of Coach manufacture."
                ],
                "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": true,
                    "hangtag_present": false,
                    "hardware_description": "Visible gold-tone decorative central clasp and multiple strap rings\/clips; no Coach engraving is visible. The central closure does not have the characteristic vintage Coach turnlock geometry.",
                    "leather_description": "Glossy brown faux-leather or synthetic-looking material, as stated by the seller; no visible natural grain or glove-tanned leather characteristics.",
                    "lining_description": "not_visible",
                    "strap_construction": "Visible short top handle and detachable-looking long shoulder strap with adjustable hardware and clips.",
                    "stitching_description": "Visible machine stitching is generally straight and regular, with decorative stitched grid panels; interior stress-point stitching is not visible."
                },
                "possible_model_reasoning": [
                    "No likely Coach model: the decorative grid-panel silhouette and clasp do not closely match the listed vintage Coach classics, and no Coach identifier is visible.",
                    "Condition: approximately Good to Very Good from exterior photos; surface appears intact, though strong flash glare obscures fine wear and the interior, corners, lining, and odor are unknown."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-6: glossy faux-leather body and grid-patchwork finish inconsistent with vintage Coach glove-tanned cowhide"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.78,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior views emptied showing lining and any creed patch or labels",
                    "creed patch straight-on in raking light if present",
                    "bottom and corners and hardware engravings",
                    "close-up of clasp front and back plate and strap clips"
                ],
                "negative_evidence": [
                    "seller states Faux Leather in title - photo 1-6 show high-gloss coated faux finish, not glove-tanned cowhide",
                    "photo 1-6: stitched windowpane\/grid patchwork body - no Coach catalog silhouette uses this construction",
                    "photo 1,2,4,5,6: front clasp is small gold-tone tuck\/push lock with round knob, not Coach turnlock geometry with wide thin oval back plate and slim rounded tab",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
                    "photo 3: plain back with no exterior slip pocket typical of many Coach flap classics",
                    "no unlined suede-back glove-tanned interior visible - interior not shown at all"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone front tuck\/push clasp with rectangular keeper and round knob, gold-tone rings and swivel clips for top handle and shoulder strap; bright plated look, not solid vintage brass turnlock",
                    "leather_description": "glossy brown faux leather with stitched grid\/windowpane patchwork and piped flap edge, high shine, not matte glove-tanned full-grain cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-on-tone topstitching forming grid squares, even but not diagnostic of Coach",
                    "strap_construction": "short wrapped top handle plus long detachable flat shoulder strap attached with gold-tone swivel clips and rivets",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-4: structured flap top-handle convertible shoulder bag silhouette broadly in vintage flap-bag family"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: grid-patchwork faux-leather body, non-Coach clasp geometry, and faux material exclude City Bag (9790), Willis (9927), Court (9870), Station (5130) and other classics",
                    "Era reasoning: materials and construction indicate modern non-Coach fast-fashion\/vintage-style bag, not any Coach creed era",
                    "Condition: Good to Very Good exterior with light scuffs and shine wear (photo 6); interior, bottom corners and strap fold not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.3
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 22809,
            "output_tokens": 778,
            "total_tokens": 23587,
            "estimated_cost_usd": 0.010991
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 23480,
            "output_tokens": 1786,
            "total_tokens": 25266,
            "estimated_cost_usd": 0.006125
        }
    ]
}