Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.05,
    "vintage_probability": 0.075,
    "authenticity_confidence": 0.055,
    "image_quality_score": 0.67,
    "seller_misidentification_probability": 0.07,
    "confidence": 0.72,
    "recommended_max_bid": 11,
    "estimated_resale_low": 10,
    "estimated_resale_high": 32.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a structured leather-like handbag with top handles, zipper closure, and gold-tone hardware.",
        "photo 1: The seller lists it as unbranded, with no unsupported Coach claim.",
        "photo 1: leather handbag with gold-tone metal hardware - general population where misidentified Coach could hide, but no specific Coach identifier seen"
    ],
    "negative_evidence": [
        "photo 1: No visible COACH wordmark, horse-and-carriage mark, creed patch, serial\/style number, or Coach hangtag.",
        "photo 1: Studded pebbled exterior, decorative strap hardware, and gold-tone fittings look more like a modern generic fashion bag than a classic Coach construction.",
        "photo 1: The visible silhouette and ornamentation do not closely match a recognizable vintage Coach model.",
        "photo 1: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 1: no turnlock - closure appears to be top kisslock\/frame with padlock hasp, not Coach turnlock geometry",
        "photo 1: silhouette with dual rolled top handles, teardrop handle anchors, all-over small gold studs\/rivets and side straps does not match any vintage Coach catalog style",
        "photo 1: pebbled leather with decorative studs and bright gold-tone hardware inconsistent with 1970s-1990s unlined glove-tanned brass-turnlock classics"
    ],
    "missing_information": [
        "Straight-on interior photo, including all pockets and labels.",
        "Close-up of any interior leather patch, fabric tag, zipper pull, or hardware engraving.",
        "Photos of the bottom, corners, side panels, and handles.",
        "Seller-stated material composition and dimensions; the photograph alone cannot verify that the exterior is genuine leather.",
        "photo 1 only: no interior, creed, bottom, side, back, hardware close-up views",
        "creed patch not shown - request straight-on interior back wall \/ slip pocket photo",
        "lining, zipper brand, and hardware engravings not visible",
        "strap\/handle attachments and dimensions\/scale not shown"
    ],
    "authenticity_concerns": [
        "photo 1: No Coach identifiers are visible, so Coach manufacture cannot be supported.",
        "photo 1: Decorative gold-tone hardware and numerous studs are inconsistent with the understated solid-brass hardware typical of classic vintage Coach styles."
    ],
    "possible_model_reasoning": [
        "The bag is a generic modern top-handle satchel rather than a recognizable Coach model; no Coach model is proposed.",
        "Condition: Not gradable beyond the visible exterior because the interior, bottom, corners, and handle wear are not fully shown; the visible exterior appears clean with no major damage apparent in photo 1.",
        "Not a Coach turnlock flap, bucket, duffle, or kisslock Cashin style; kisslock frame + studded Paddington-type satchel is Chloe-inspired Y2K style, not in Coach 1970s-1990s or modern catalog",
        "No creed, wordmark, hangtag, or brass turnlock to decode era; construction and styling point to 2000s modern non-Coach",
        "Condition: Good to Very Good from single exterior view only - exterior leather intact with no obvious corner wear; bottom, interior, handles, and hardware function unknown so grade 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 1: Gold-tone rings, buckles, studs, zipper hardware, and a central decorative loop\/clasp are visible; no Coach engraving is legible.",
        "leather_description": "photo 1: Black pebbled leather-like material is visible; genuine leather versus synthetic material cannot be determined from this photo.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Two fixed top handles with stitched leather-like attachments and buckled side strap details; no detachable shoulder strap is visible.",
        "stitching_description": "photo 1: Visible exterior stitching appears generally regular, though stress-point and interior stitching are not shown."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.006,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.04,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.84,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a structured leather-like handbag with top handles, zipper closure, and gold-tone hardware.",
                    "photo 1: The seller lists it as unbranded, with no unsupported Coach claim."
                ],
                "negative_evidence": [
                    "photo 1: No visible COACH wordmark, horse-and-carriage mark, creed patch, serial\/style number, or Coach hangtag.",
                    "photo 1: Studded pebbled exterior, decorative strap hardware, and gold-tone fittings look more like a modern generic fashion bag than a classic Coach construction.",
                    "photo 1: The visible silhouette and ornamentation do not closely match a recognizable vintage Coach model."
                ],
                "missing_information": [
                    "Straight-on interior photo, including all pockets and labels.",
                    "Close-up of any interior leather patch, fabric tag, zipper pull, or hardware engraving.",
                    "Photos of the bottom, corners, side panels, and handles.",
                    "Seller-stated material composition and dimensions; the photograph alone cannot verify that the exterior is genuine leather."
                ],
                "authenticity_concerns": [
                    "photo 1: No Coach identifiers are visible, so Coach manufacture cannot be supported.",
                    "photo 1: Decorative gold-tone hardware and numerous studs are inconsistent with the understated solid-brass hardware typical of classic vintage Coach styles."
                ],
                "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 rings, buckles, studs, zipper hardware, and a central decorative loop\/clasp are visible; no Coach engraving is legible.",
                    "leather_description": "photo 1: Black pebbled leather-like material is visible; genuine leather versus synthetic material cannot be determined from this photo.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Two fixed top handles with stitched leather-like attachments and buckled side strap details; no detachable shoulder strap is visible.",
                    "stitching_description": "photo 1: Visible exterior stitching appears generally regular, though stress-point and interior stitching are not shown."
                },
                "possible_model_reasoning": [
                    "The bag is a generic modern top-handle satchel rather than a recognizable Coach model; no Coach model is proposed.",
                    "Condition: Not gradable beyond the visible exterior because the interior, bottom, corners, and handle wear are not fully shown; the visible exterior appears clean with no major damage apparent in photo 1."
                ],
                "confidence": 0.82,
                "recommended_max_bid": 10,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.08,
                "coach_probability": 0.06,
                "confidence": 0.62,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.5,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo 1 only: no interior, creed, bottom, side, back, hardware close-up views",
                    "creed patch not shown - request straight-on interior back wall \/ slip pocket photo",
                    "lining, zipper brand, and hardware engravings not visible",
                    "strap\/handle attachments and dimensions\/scale not shown"
                ],
                "negative_evidence": [
                    "photo 1: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 1: no turnlock - closure appears to be top kisslock\/frame with padlock hasp, not Coach turnlock geometry",
                    "photo 1: silhouette with dual rolled top handles, teardrop handle anchors, all-over small gold studs\/rivets and side straps does not match any vintage Coach catalog style",
                    "photo 1: pebbled leather with decorative studs and bright gold-tone hardware inconsistent with 1970s-1990s unlined glove-tanned brass-turnlock classics"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone hardware: small dome studs\/rivets scattered on body, D-rings at handles, top frame with padlock-style hasp; no turnlock visible; no COACH stamping visible",
                    "leather_description": "black pebbled grain leather with soft sheen, appears medium weight; not classic smooth glove-tanned cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-on-tone stitching visible along seams and teardrop handle anchors; detail limited by single photo distance",
                    "strap_construction": "dual rolled top handles riveted to body via teardrop leather anchors; small side strap with buckle\/D-ring detail; no detachable crossbody strap visible",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: leather handbag with gold-tone metal hardware - general population where misidentified Coach could hide, but no specific Coach identifier seen"
                ],
                "possible_model_reasoning": [
                    "Not a Coach turnlock flap, bucket, duffle, or kisslock Cashin style; kisslock frame + studded Paddington-type satchel is Chloe-inspired Y2K style, not in Coach 1970s-1990s or modern catalog",
                    "No creed, wordmark, hangtag, or brass turnlock to decode era; construction and styling point to 2000s modern non-Coach",
                    "Condition: Good to Very Good from single exterior view only - exterior leather intact with no obvious corner wear; bottom, interior, handles, and hardware function unknown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.06,
                "vintage_probability": 0.12
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16171,
            "output_tokens": 736,
            "total_tokens": 16907,
            "estimated_cost_usd": 0.008235
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16530,
            "output_tokens": 1176,
            "total_tokens": 17706,
            "estimated_cost_usd": 0.004247
        }
    ]
}