Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.03,
    "vintage_probability": 0.215,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.79,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.835,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 37.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a structured leather or leather-like handbag with handles and a front closure.",
        "photo 2: side gusset construction and substantial stitched edges are visible.",
        "photo 1: warm butterscotch color is compatible with vintage handbag styling.",
        "photo 1: leather-appearing small handbag with top handles, the population where misidentified Coach could hide, but no Coach identifier seen"
    ],
    "negative_evidence": [
        "photo 1: the front hardware is a bright silver-tone decorative bar closure, not a recognizable Coach turnlock.",
        "photo 1: the leather has an all-over ostrich-embossed pattern, unlike the smooth or cataloged pebbled leathers typical of the classic Coach styles considered here.",
        "photo 1: no legible COACH wordmark, horse-and-carriage mark, or Coach hangtag is visible.",
        "photo 3: the back is plain and shows no Coach branding or identifier.",
        "photo 4: close-up of the exterior shows no creed patch or serial\/style number.",
        "photo 6: the bright silver-tone hardware and ornamental equestrian-style closure are inconsistent with the solid brass hardware commonly found on classic vintage Coach bags.",
        "photo 1: no Coach turnlock, no COACH wordmark or horse-and-carriage visible on exterior",
        "photo 1, photo 6: closure is decorative silver-tone horsebit\/snaffle-bit bar, not Coach turnlock geometry",
        "photo 1, photo 3: small structured ostrich-embossed mini satchel silhouette does not match any vintage Coach catalog style",
        "photo 1-6: no creed patch, no leather hangtag, no brass dogleash or solid-brass vintage hardware visible",
        "photo 2, photo 5: silver-tone hardware and glossy ostrich-embossed leather inconsistent with 1970s-1990s unlined glove-tanned brass-hardware Coach classics"
    ],
    "missing_information": [
        "photo 1-6: interior view, including the back wall, pockets, lining, and any brand label or creed patch.",
        "photo 1-6: bottom view and underside of the closure or zipper.",
        "photo 1-6: any interior fabric tag, leather stamp, zipper-pull marking, or country-of-origin label.",
        "photo 1-6: seller-stated dimensions and confirmation of whether the material is genuine leather or synthetic embossed material.",
        "photo 1-6: interior views not shown, lining unknown",
        "photo 1-6: creed patch not shown, no close-up of interior back wall or pocket",
        "photo 1-6: no hangtag, wordmark, or made-in stamp visible",
        "photo 1-6: bottom and hardware engravings not shown"
    ],
    "authenticity_concerns": [
        "photo 1 and photo 6: decorative silver equestrian-style hardware may evoke designer branding but does not identify this as Coach.",
        "photo 1-6: the visible construction lacks any Coach identifier, so this should be treated as a non-Coach lookalike unless an interior label proves otherwise."
    ],
    "possible_model_reasoning": [
        "photo 1: the small structured satchel silhouette is not a close match for the listed classic Coach models, and no Coach style number is visible.",
        "photo 1 and photo 6: the ornamental silver closure and ostrich embossing are more consistent with the seller's stated Cricket Topkapi identification or another non-Coach fashion handbag.",
        "photo 1-6: estimated era is modern (2000s+) non-Coach based on the glossy embossed finish and bright decorative hardware; exact dating is not possible without labels.",
        "photo 1-6: condition appears Good to Very Good overall, with visible edge wear, creasing, and handling wear; interior condition and odor are unknown.",
        "No Coach model fits: mini horsebit satchel with ostrich embossing and silver-tone snaffle-bit has no counterpart in 1970s-1990s glove-tanned catalog (City Bag, Willis, Court, Station, Dinky all use turnlock and solid brass)",
        "No hard identifiers observed in any of 6 photos: no creed, no serial, no wordmark, no hangtag, no turnlock",
        "Condition: Very Good to Excellent exterior for a used bag; even color, no corner wear-through visible in photo 1-5, but interior not shown so grade capped and lining unknown"
    ],
    "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 and photo 6: bright silver-tone decorative bar and ring-style front closure; no Coach engraving visible. The closure is not a classic rotating Coach turnlock.",
        "leather_description": "photo 1-6: butterscotch-colored material with an all-over ostrich-style embossed pattern and a glossy finish; genuine leather versus synthetic material cannot be confirmed.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1-5: two fixed padded top handles with stitched attachments; no detachable shoulder strap is visible.",
        "stitching_description": "photo 1-5: visible perimeter stitching is generally straight and evenly spaced, though the images do not show interior seam construction."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0011,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.18,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a structured leather or leather-like handbag with handles and a front closure.",
                    "photo 2: side gusset construction and substantial stitched edges are visible.",
                    "photo 1: warm butterscotch color is compatible with vintage handbag styling."
                ],
                "negative_evidence": [
                    "photo 1: the front hardware is a bright silver-tone decorative bar closure, not a recognizable Coach turnlock.",
                    "photo 1: the leather has an all-over ostrich-embossed pattern, unlike the smooth or cataloged pebbled leathers typical of the classic Coach styles considered here.",
                    "photo 1: no legible COACH wordmark, horse-and-carriage mark, or Coach hangtag is visible.",
                    "photo 3: the back is plain and shows no Coach branding or identifier.",
                    "photo 4: close-up of the exterior shows no creed patch or serial\/style number.",
                    "photo 6: the bright silver-tone hardware and ornamental equestrian-style closure are inconsistent with the solid brass hardware commonly found on classic vintage Coach bags."
                ],
                "missing_information": [
                    "photo 1-6: interior view, including the back wall, pockets, lining, and any brand label or creed patch.",
                    "photo 1-6: bottom view and underside of the closure or zipper.",
                    "photo 1-6: any interior fabric tag, leather stamp, zipper-pull marking, or country-of-origin label.",
                    "photo 1-6: seller-stated dimensions and confirmation of whether the material is genuine leather or synthetic embossed material."
                ],
                "authenticity_concerns": [
                    "photo 1 and photo 6: decorative silver equestrian-style hardware may evoke designer branding but does not identify this as Coach.",
                    "photo 1-6: the visible construction lacks any Coach identifier, so this should be treated as a non-Coach lookalike unless an interior label proves otherwise."
                ],
                "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 and photo 6: bright silver-tone decorative bar and ring-style front closure; no Coach engraving visible. The closure is not a classic rotating Coach turnlock.",
                    "leather_description": "photo 1-6: butterscotch-colored material with an all-over ostrich-style embossed pattern and a glossy finish; genuine leather versus synthetic material cannot be confirmed.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1-5: two fixed padded top handles with stitched attachments; no detachable shoulder strap is visible.",
                    "stitching_description": "photo 1-5: visible perimeter stitching is generally straight and evenly spaced, though the images do not show interior seam construction."
                },
                "possible_model_reasoning": [
                    "photo 1: the small structured satchel silhouette is not a close match for the listed classic Coach models, and no Coach style number is visible.",
                    "photo 1 and photo 6: the ornamental silver closure and ostrich embossing are more consistent with the seller's stated Cricket Topkapi identification or another non-Coach fashion handbag.",
                    "photo 1-6: estimated era is modern (2000s+) non-Coach based on the glossy embossed finish and bright decorative hardware; exact dating is not possible without labels.",
                    "photo 1-6: condition appears Good to Very Good overall, with visible edge wear, creasing, and handling wear; interior condition and odor are unknown."
                ],
                "confidence": 0.87,
                "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": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.8,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.72,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1-6: interior views not shown, lining unknown",
                    "photo 1-6: creed patch not shown, no close-up of interior back wall or pocket",
                    "photo 1-6: no hangtag, wordmark, or made-in stamp visible",
                    "photo 1-6: bottom and hardware engravings not shown"
                ],
                "negative_evidence": [
                    "photo 1: no Coach turnlock, no COACH wordmark or horse-and-carriage visible on exterior",
                    "photo 1, photo 6: closure is decorative silver-tone horsebit\/snaffle-bit bar, not Coach turnlock geometry",
                    "photo 1, photo 3: small structured ostrich-embossed mini satchel silhouette does not match any vintage Coach catalog style",
                    "photo 1-6: no creed patch, no leather hangtag, no brass dogleash or solid-brass vintage hardware visible",
                    "photo 2, photo 5: silver-tone hardware and glossy ostrich-embossed leather inconsistent with 1970s-1990s unlined glove-tanned brass-hardware Coach classics"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone \/ gold-tone horsebit snaffle-bit decorative bar on front flap (photo 1, photo 6); no turnlock, no COACH stamping visible",
                    "leather_description": "butterscotch \/ tan ostrich-embossed leather with raised quill bumps and glossy finish visible in photo 1, photo 3, photo 4, photo 6",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-matched perimeter stitching visible on front and back panels (photo 1, photo 3); no irregularities visible at this resolution",
                    "strap_construction": "twin short rolled top handles in matching ostrich-embossed leather, sewn directly to body (photo 1, photo 2, photo 5); no detachable crossbody strap shown",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: leather-appearing small handbag with top handles, the population where misidentified Coach could hide, but no Coach identifier seen"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: mini horsebit satchel with ostrich embossing and silver-tone snaffle-bit has no counterpart in 1970s-1990s glove-tanned catalog (City Bag, Willis, Court, Station, Dinky all use turnlock and solid brass)",
                    "No hard identifiers observed in any of 6 photos: no creed, no serial, no wordmark, no hangtag, no turnlock",
                    "Condition: Very Good to Excellent exterior for a used bag; even color, no corner wear-through visible in photo 1-5, but interior not shown so grade capped and lining unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.04,
                "vintage_probability": 0.25
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 32922,
            "output_tokens": 966,
            "total_tokens": 33888,
            "estimated_cost_usd": 0.015487
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 35177,
            "output_tokens": 1301,
            "total_tokens": 36478,
            "estimated_cost_usd": 0.008076
        }
    ]
}