Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.03,
    "vintage_probability": 0.385,
    "authenticity_confidence": 0.04,
    "image_quality_score": 0.77,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.79,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 37.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: structured leather shoulder-bag silhouette with an adjustable strap.",
        "photo 6: interior appears leather-lined or leather-like, with a zip pocket and slip pocket.",
        "photo 1,4,5: leather handbag silhouette with shoulder strap - population triage passes as leather handbag",
        "photo 6: interior zip pocket under flap broadly similar layout to vintage flap bags, very weak support"
    ],
    "negative_evidence": [
        "photo 1: prominent all-over crocodile embossing is not characteristic of the classic unembossed glove-tanned Coach styles shown in the reference catalog.",
        "photo 1: clasp is a decorative rectangular buckle assembly rather than a recognizable Coach turnlock.",
        "photo 1: no visible Coach wordmark, horse-and-carriage, or leather hangtag.",
        "photo 6: no visible Coach creed patch, country line, or serial\/style number.",
        "photo 1: strap and hardware construction do not visibly match a documented Coach model.",
        "photo 1-5: no turnlock, no brass dogleash clips, no bead-chain hangtag; closure is croc-embossed buckle-tab, not Coach turnlock geometry",
        "photo 1-5: glossy croc-embossed finish unlike vintage Coach glove-tanned cowhide matte-to-satin full-grain",
        "photo 6: fully lined smooth brown interior with zip + slip, not unlined suede-back glove-tanned classic interior",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or hangtag visible",
        "photo 1,4,5: thin flat shoulder strap with snap adjustment, not Coach buckle-adjustable strap with brass slides or dowel handle"
    ],
    "missing_information": [
        "Straight-on photo of the entire interior back wall and all pockets to confirm whether any creed or brand label is present.",
        "Close-up photos of both sides of the clasp, strap attachments, and any zipper-pull markings.",
        "Photos of the back, bottom, corners, and strap ends.",
        "Seller-stated dimensions and any information about the country of manufacture.",
        "photo of interior back wall \/ slip pocket straight-on for creed patch check (photo 6 shows interior but no close-up)",
        "close-up of hardware stamps, zipper pull brand, and closure underside",
        "bottom, side and corner close-ups to confirm construction and wear",
        "hangtag \/ labels \/ Made-in markings if any"
    ],
    "authenticity_concerns": [
        "The bag lacks the identifiers and recognizable construction expected for a vintage Coach bag; it is more consistent with an unbranded or other-brand embossed leather handbag.",
        "No direct replica marker is visible, but the absence of a creed or other Coach identifier prevents support for Coach manufacture."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match from the visible decorative clasp, crocodile embossing, and lined construction.",
        "The dimensions in photos 2-3 suggest a compact shoulder bag approximately 11 inches wide and 7 inches high, but this is insufficient for Coach model identification.",
        "Condition: Good to Very Good visually; leather shows substantial surface creasing and age-related cracking in the embossing, while corners and interior appear intact. Bottom, odor, and strap-fold condition are not fully documented.",
        "No Coach catalog silhouette match: buckle-tab flap, glossy croc-emboss, thin strap and lined interior do not match City Bag (9790), Willis (9927), Court (9870), Station (5130) or other classics",
        "No hard identifiers to decode: no creed, serial, country line, wordmark or hangtag visible in any photo",
        "Condition: Excellent to Very Good appearance; glossy surface intact, corners look straight in photos 1-4, interior looks clean in photo 6, but bottom\/interior close-ups missing so capped"
    ],
    "estimated_era": "unknown",
    "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: gold-tone decorative rectangular buckle\/clasp assembly; no visible Coach engraving. Strap includes a small light-colored round or oval fastener detail.",
        "leather_description": "photo 1: brown\/cognac leather or leather-like body with glossy crocodile embossing; seller states genuine leather, but material cannot be independently confirmed from photos.",
        "lining_description": "photo 6: brown smooth lining, with one zip pocket and one open slip pocket visible; brand label is not visible.",
        "strap_construction": "photos 1 and 4-5: long adjustable shoulder strap attached at the sides, with visible stitched\/folded attachment areas; buckle holes and full adjustment construction are not clearly shown.",
        "stitching_description": "photos 1 and 6: generally visible, fairly even brown stitching around the body and strap; close-up stress-point assessment is limited."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.002,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.42,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: structured leather shoulder-bag silhouette with an adjustable strap.",
                    "photo 6: interior appears leather-lined or leather-like, with a zip pocket and slip pocket."
                ],
                "negative_evidence": [
                    "photo 1: prominent all-over crocodile embossing is not characteristic of the classic unembossed glove-tanned Coach styles shown in the reference catalog.",
                    "photo 1: clasp is a decorative rectangular buckle assembly rather than a recognizable Coach turnlock.",
                    "photo 1: no visible Coach wordmark, horse-and-carriage, or leather hangtag.",
                    "photo 6: no visible Coach creed patch, country line, or serial\/style number.",
                    "photo 1: strap and hardware construction do not visibly match a documented Coach model."
                ],
                "missing_information": [
                    "Straight-on photo of the entire interior back wall and all pockets to confirm whether any creed or brand label is present.",
                    "Close-up photos of both sides of the clasp, strap attachments, and any zipper-pull markings.",
                    "Photos of the back, bottom, corners, and strap ends.",
                    "Seller-stated dimensions and any information about the country of manufacture."
                ],
                "authenticity_concerns": [
                    "The bag lacks the identifiers and recognizable construction expected for a vintage Coach bag; it is more consistent with an unbranded or other-brand embossed leather handbag.",
                    "No direct replica marker is visible, but the absence of a creed or other Coach identifier prevents support for 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": false,
                    "hangtag_present": false,
                    "hardware_description": "photo 1: gold-tone decorative rectangular buckle\/clasp assembly; no visible Coach engraving. Strap includes a small light-colored round or oval fastener detail.",
                    "leather_description": "photo 1: brown\/cognac leather or leather-like body with glossy crocodile embossing; seller states genuine leather, but material cannot be independently confirmed from photos.",
                    "lining_description": "photo 6: brown smooth lining, with one zip pocket and one open slip pocket visible; brand label is not visible.",
                    "strap_construction": "photos 1 and 4-5: long adjustable shoulder strap attached at the sides, with visible stitched\/folded attachment areas; buckle holes and full adjustment construction are not clearly shown.",
                    "stitching_description": "photos 1 and 6: generally visible, fairly even brown stitching around the body and strap; close-up stress-point assessment is limited."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match from the visible decorative clasp, crocodile embossing, and lined construction.",
                    "The dimensions in photos 2-3 suggest a compact shoulder bag approximately 11 inches wide and 7 inches high, but this is insufficient for Coach model identification.",
                    "Condition: Good to Very Good visually; leather shows substantial surface creasing and age-related cracking in the embossing, while corners and interior appear intact. Bottom, odor, and strap-fold condition are not fully documented."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.05,
                "coach_probability": 0.03,
                "confidence": 0.72,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.68,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of interior back wall \/ slip pocket straight-on for creed patch check (photo 6 shows interior but no close-up)",
                    "close-up of hardware stamps, zipper pull brand, and closure underside",
                    "bottom, side and corner close-ups to confirm construction and wear",
                    "hangtag \/ labels \/ Made-in markings if any"
                ],
                "negative_evidence": [
                    "photo 1-5: no turnlock, no brass dogleash clips, no bead-chain hangtag; closure is croc-embossed buckle-tab, not Coach turnlock geometry",
                    "photo 1-5: glossy croc-embossed finish unlike vintage Coach glove-tanned cowhide matte-to-satin full-grain",
                    "photo 6: fully lined smooth brown interior with zip + slip, not unlined suede-back glove-tanned classic interior",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or hangtag visible",
                    "photo 1,4,5: thin flat shoulder strap with snap adjustment, not Coach buckle-adjustable strap with brass slides or dowel handle"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "no brass turnlock visible; small light-tone zipper pull in photo 6, brand not legible; strap snaps silver-tone; closure is leather buckle-tab",
                    "leather_description": "cognac brown croc-embossed leather with high gloss, structured body, approx 8in wide per ruler in photo 2",
                    "lining_description": "smooth brown leather-like lining in photo 6 with rear-wall zip pocket and slip pocket; no suede, no fabric print visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "limited visibility; straight edge stitching around interior opening in photo 6, otherwise not_visible",
                    "strap_construction": "thin flat single shoulder strap, snap-adjustable, sewn to body; no brass buckle, dogleash clips or wooden dowel",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1,4,5: leather handbag silhouette with shoulder strap - population triage passes as leather handbag",
                    "photo 6: interior zip pocket under flap broadly similar layout to vintage flap bags, very weak support"
                ],
                "possible_model_reasoning": [
                    "No Coach catalog silhouette match: buckle-tab flap, glossy croc-emboss, thin strap and lined interior do not match City Bag (9790), Willis (9927), Court (9870), Station (5130) or other classics",
                    "No hard identifiers to decode: no creed, serial, country line, wordmark or hangtag visible in any photo",
                    "Condition: Excellent to Very Good appearance; glossy surface intact, corners look straight in photos 1-4, interior looks clean in photo 6, but bottom\/interior close-ups missing so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.35
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18099,
            "output_tokens": 893,
            "total_tokens": 18992,
            "estimated_cost_usd": 0.009383
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18655,
            "output_tokens": 1314,
            "total_tokens": 19969,
            "estimated_cost_usd": 0.004782
        }
    ]
}