Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.36,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.815,
    "seller_misidentification_probability": 0.48,
    "confidence": 0.895,
    "recommended_max_bid": 10,
    "estimated_resale_low": 10,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Structured leather-look satchel form and flap closure are consistent with a handbag, but not specifically with Coach.",
        "photo 4: The front closure is clearly legible as \u201cPARIS\u00b7ROMA\u00b7TOKYO,\u201d providing a non-Coach brand or decorative marking."
    ],
    "negative_evidence": [
        "photo 4: The closure prominently reads \u201cPARIS\u00b7ROMA\u00b7TOKYO,\u201d not COACH, and is a decorative semicircular plate with a ring rather than a typical Coach turnlock.",
        "photo 1: The bag has a glossy two-tone brown-and-black finish unlike the unlined, glove-tanned leather commonly associated with classic vintage Coach.",
        "photo 5: The interior shows a black lining and no visible Coach creed patch, wordmark, country line, or serial\/style number.",
        "photo 6: The construction includes a separate padded top handle, long thin strap, and decorative closure that do not closely match the listed classic Coach silhouettes.",
        "photo 2: The rear exterior is unbranded and lacks a Coach hangtag or other visible Coach identifier.",
        "photo 4: hardware lock engraved PARIS ROMA TOKYO, not COACH or horse-and-carriage",
        "photo 1, photo 3: silver-tone ring-post flap clasp, not Coach brass turnlock geometry",
        "photo 1-6: no COACH wordmark, no creed patch, no leather hangtag visible",
        "photo 1, photo 3, photo 5: smooth high-sheen coated two-tone material, not matte glove-tanned cowhide with suede back",
        "photo 5: black lined interior under flap with no Coach creed patch on back wall"
    ],
    "missing_information": [
        "photo 5: A closer, straight-on inspection of all interior walls and pockets for any sewn-in brand or care label.",
        "photo 2: Bottom and corner close-ups to evaluate material, wear, and construction more fully.",
        "photo 6: Close-ups of zipper pulls, strap hardware, and any hidden maker marks.",
        "Seller-stated dimensions and material composition, since the photos do not establish whether the leather is genuine.",
        "interior fully emptied views and bottom corners not shown, but maker is already identified by hardware branding",
        "no creed patch visible in photo 5 interior view"
    ],
    "authenticity_concerns": [
        "photo 4: The visible \u201cPARIS\u00b7ROMA\u00b7TOKYO\u201d closure is inconsistent with Coach branding and strongly indicates a different maker or generic fashion label.",
        "photo 1: The oversized decorative medallion closure and glossy two-tone finish are lookalike\/non-Coach cues rather than Coach identifiers.",
        "photo 5: No Coach creed, serial, wordmark, or horse-and-carriage mark is visible despite clear interior coverage.",
        "photo 4: flap lock plainly branded PARIS ROMA TOKYO, a non-Coach maker mark inconsistent with Coach manufacture"
    ],
    "possible_model_reasoning": [
        "The silhouette is a generic structured flap satchel and does not provide a credible match to a specific Coach model.",
        "photo 4: The closure marking identifies a non-Coach design cue; the bag should be valued as a generic secondhand leather or leather-look satchel.",
        "Condition: Good to Very Good; visible surface creasing, edge wear, loose thread, and hardware wear are present, while the bag remains structurally intact. Interior and odor condition cannot be fully determined.",
        "No Coach model fits: maker-branded PARIS ROMA TOKYO lock (photo 4) plus silver hardware and coated two-tone construction exclude Coach classics",
        "Condition: Good; visible scuffs and edge wear and hardware tarnish (photos 1,4,5), interior not fully 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": "photo 4: Circular\/semicircular silver- and gold-tone decorative ring closure marked \u201cPARIS\u00b7ROMA\u00b7TOKYO\u201d; photo 1: additional small silver-tone handle and strap fittings.",
        "leather_description": "photo 1: Smooth, glossy two-tone brown and black material with substantial surface creasing and visible edge wear; exact material is not established.",
        "lining_description": "photo 5: Black interior lining or coated interior is visible; no brand label is apparent.",
        "strap_construction": "photo 1: Long narrow brown shoulder strap plus a separate padded top handle, attached with small metal rings and buckled\/stitched tabs.",
        "stitching_description": "photo 1: Generally even perimeter stitching is visible, with some loose thread\/fraying near the upper side edge; detailed stitch quality is not fully assessable."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0331,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.22,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.93,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Structured leather-look satchel form and flap closure are consistent with a handbag, but not specifically with Coach.",
                    "photo 4: The front closure is clearly legible as \u201cPARIS\u00b7ROMA\u00b7TOKYO,\u201d providing a non-Coach brand or decorative marking."
                ],
                "negative_evidence": [
                    "photo 4: The closure prominently reads \u201cPARIS\u00b7ROMA\u00b7TOKYO,\u201d not COACH, and is a decorative semicircular plate with a ring rather than a typical Coach turnlock.",
                    "photo 1: The bag has a glossy two-tone brown-and-black finish unlike the unlined, glove-tanned leather commonly associated with classic vintage Coach.",
                    "photo 5: The interior shows a black lining and no visible Coach creed patch, wordmark, country line, or serial\/style number.",
                    "photo 6: The construction includes a separate padded top handle, long thin strap, and decorative closure that do not closely match the listed classic Coach silhouettes.",
                    "photo 2: The rear exterior is unbranded and lacks a Coach hangtag or other visible Coach identifier."
                ],
                "missing_information": [
                    "photo 5: A closer, straight-on inspection of all interior walls and pockets for any sewn-in brand or care label.",
                    "photo 2: Bottom and corner close-ups to evaluate material, wear, and construction more fully.",
                    "photo 6: Close-ups of zipper pulls, strap hardware, and any hidden maker marks.",
                    "Seller-stated dimensions and material composition, since the photos do not establish whether the leather is genuine."
                ],
                "authenticity_concerns": [
                    "photo 4: The visible \u201cPARIS\u00b7ROMA\u00b7TOKYO\u201d closure is inconsistent with Coach branding and strongly indicates a different maker or generic fashion label.",
                    "photo 1: The oversized decorative medallion closure and glossy two-tone finish are lookalike\/non-Coach cues rather than Coach identifiers.",
                    "photo 5: No Coach creed, serial, wordmark, or horse-and-carriage mark is visible despite clear interior coverage."
                ],
                "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": "photo 4: Circular\/semicircular silver- and gold-tone decorative ring closure marked \u201cPARIS\u00b7ROMA\u00b7TOKYO\u201d; photo 1: additional small silver-tone handle and strap fittings.",
                    "leather_description": "photo 1: Smooth, glossy two-tone brown and black material with substantial surface creasing and visible edge wear; exact material is not established.",
                    "lining_description": "photo 5: Black interior lining or coated interior is visible; no brand label is apparent.",
                    "strap_construction": "photo 1: Long narrow brown shoulder strap plus a separate padded top handle, attached with small metal rings and buckled\/stitched tabs.",
                    "stitching_description": "photo 1: Generally even perimeter stitching is visible, with some loose thread\/fraying near the upper side edge; detailed stitch quality is not fully assessable."
                },
                "possible_model_reasoning": [
                    "The silhouette is a generic structured flap satchel and does not provide a credible match to a specific Coach model.",
                    "photo 4: The closure marking identifies a non-Coach design cue; the bag should be valued as a generic secondhand leather or leather-look satchel.",
                    "Condition: Good to Very Good; visible surface creasing, edge wear, loose thread, and hardware wear are present, while the bag remains structurally intact. Interior and odor condition cannot be fully determined."
                ],
                "confidence": 0.91,
                "recommended_max_bid": 10,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 4: flap lock plainly branded PARIS ROMA TOKYO, a non-Coach maker mark inconsistent with Coach manufacture"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "unknown",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.72,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior fully emptied views and bottom corners not shown, but maker is already identified by hardware branding",
                    "no creed patch visible in photo 5 interior view"
                ],
                "negative_evidence": [
                    "photo 4: hardware lock engraved PARIS ROMA TOKYO, not COACH or horse-and-carriage",
                    "photo 1, photo 3: silver-tone ring-post flap clasp, not Coach brass turnlock geometry",
                    "photo 1-6: no COACH wordmark, no creed patch, no leather hangtag visible",
                    "photo 1, photo 3, photo 5: smooth high-sheen coated two-tone material, not matte glove-tanned cowhide with suede back",
                    "photo 5: black lined interior under flap with no Coach creed patch on back wall"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone flap lock with ring pull engraved PARIS ROMA TOKYO (photo 4); silver-tone rings and buckle on straps; tarnish\/wear on lock post",
                    "leather_description": "two-tone smooth brown flap\/top\/handle\/strap and black body with glossy coated appearance; not matte glove-tanned full-grain with natural grain",
                    "lining_description": "photo 5: black smooth interior\/flap underside visible when open; no suede raw back, no creed patch visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight edge stitching visible along flap and strap edges in photos 1-3; tone-matched; no detailed close-up",
                    "strap_construction": "short wrapped top handle attached with metal rings plus long detachable adjustable brown shoulder strap with buckle",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: maker-branded PARIS ROMA TOKYO lock (photo 4) plus silver hardware and coated two-tone construction exclude Coach classics",
                    "Condition: Good; visible scuffs and edge wear and hardware tarnish (photos 1,4,5), interior not fully shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.5
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 25536,
            "output_tokens": 949,
            "total_tokens": 26485,
            "estimated_cost_usd": 0.012492
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 26326,
            "output_tokens": 1601,
            "total_tokens": 27927,
            "estimated_cost_usd": 0.006546
        }
    ]
}