Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.025,
    "vintage_probability": 0.11,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.61,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.745,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Small crossbody handbag is visible, but its multicolor woven front and braided strap do not match a recognizable vintage Coach construction.",
        "photo 2: No COACH wordmark, horse-and-carriage, creed patch, hangtag, or characteristic Coach turnlock is visible.",
        "photo 2: Decorative tassel and gold-tone zipper pull are generic features and do not identify Coach.",
        "photo 3: Plain white back panel and simple piped construction provide no visible Coach-specific evidence.",
        "photo 1,2,3: no COACH wordmark, horse-and-carriage, creed patch or hangtag visible",
        "photo 2: multicolor woven basket-weave front panel with white ground and red\/green\/blue\/tan strips - no match in vintage Coach catalog lines",
        "photo 1,2,3: thin braided crossbody strap with no buckle slide or brass dogleash\/lobster clips - inconsistent with vintage Coach strap construction",
        "photo 2: small gold-tone zipper with tassel charm - not solid-brass Talon\/YKK vintage Coach hardware, no turnlock present",
        "photo 3: plain white back with zip-top, no exterior slip pocket, no solid-brass turnlock flap - silhouette does not match City Bag, Court, Station, Dinky or other classics"
    ],
    "missing_information": [
        "photo 1-3: Interior, lining, and any interior labels or creed patch are not shown.",
        "photo 1-3: Zipper pull close-up and any maker marks are not shown clearly.",
        "photo 1-3: Bottom, side construction, seams, and strap attachment details are not shown in close-up.",
        "Seller-stated dimensions and material composition are not provided.",
        "photo of interior and any interior leather patch or fabric labels - interior never shown",
        "straight-on creed \/ stamp photo in raking light and Made-in line",
        "close-up of zipper pull brand stamp and hardware back",
        "close-up of leather edge, grain and stitching to assess material",
        "bottom, side and back detail and dimensions for scale"
    ],
    "authenticity_concerns": [
        "photo 1-3: The woven novelty design, braided strap, tassel, and absence of Coach identifiers are more consistent with a generic non-Coach bag than a vintage Coach model.",
        "photo 1-3: No visible evidence supports a Coach-made origin; authentication cannot be established from these views."
    ],
    "possible_model_reasoning": [
        "No Coach identifier visible in any photo so no style number to decode",
        "Silhouette is small zip-top crossbody with woven front - does not match City Bag (9790), Court (9870), Station (5130), Dinky (9375), Willis (9927) or other glove-tanned classics in shape, closure or strap",
        "Construction cues - braided strap, tassel zipper pull, woven decorative panel - point away from 1970s-1990s unlined glove-tanned solid-brass Coach",
        "Condition: appears clean and structured in photos 1-3 but no interior, bottom or close-ups shown so no grade can be assigned; 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 2: Gold-tone zipper pull and cylindrical tassel fitting are visible; no Coach engraving is legible.",
        "leather_description": "photo 1-3: White smooth-looking exterior or synthetic material with a multicolor woven front; exact material is not visible.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1-3: Long braided white shoulder strap attached at the upper sides.",
        "stitching_description": "photo 2-3: White piped edging and regular perimeter stitching are visible; detailed stitch quality is not assessable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0019,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.12,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.72,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Small crossbody handbag is visible, but its multicolor woven front and braided strap do not match a recognizable vintage Coach construction.",
                    "photo 2: No COACH wordmark, horse-and-carriage, creed patch, hangtag, or characteristic Coach turnlock is visible.",
                    "photo 2: Decorative tassel and gold-tone zipper pull are generic features and do not identify Coach.",
                    "photo 3: Plain white back panel and simple piped construction provide no visible Coach-specific evidence."
                ],
                "missing_information": [
                    "photo 1-3: Interior, lining, and any interior labels or creed patch are not shown.",
                    "photo 1-3: Zipper pull close-up and any maker marks are not shown clearly.",
                    "photo 1-3: Bottom, side construction, seams, and strap attachment details are not shown in close-up.",
                    "Seller-stated dimensions and material composition are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1-3: The woven novelty design, braided strap, tassel, and absence of Coach identifiers are more consistent with a generic non-Coach bag than a vintage Coach model.",
                    "photo 1-3: No visible evidence supports a Coach-made origin; authentication cannot be established from these views."
                ],
                "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 2: Gold-tone zipper pull and cylindrical tassel fitting are visible; no Coach engraving is legible.",
                    "leather_description": "photo 1-3: White smooth-looking exterior or synthetic material with a multicolor woven front; exact material is not visible.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1-3: Long braided white shoulder strap attached at the upper sides.",
                    "stitching_description": "photo 2-3: White piped edging and regular perimeter stitching are visible; detailed stitch quality is not assessable."
                },
                "possible_model_reasoning": [],
                "confidence": 0.74,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.75,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.5,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo of interior and any interior leather patch or fabric labels - interior never shown",
                    "straight-on creed \/ stamp photo in raking light and Made-in line",
                    "close-up of zipper pull brand stamp and hardware back",
                    "close-up of leather edge, grain and stitching to assess material",
                    "bottom, side and back detail and dimensions for scale"
                ],
                "negative_evidence": [
                    "photo 1,2,3: no COACH wordmark, horse-and-carriage, creed patch or hangtag visible",
                    "photo 2: multicolor woven basket-weave front panel with white ground and red\/green\/blue\/tan strips - no match in vintage Coach catalog lines",
                    "photo 1,2,3: thin braided crossbody strap with no buckle slide or brass dogleash\/lobster clips - inconsistent with vintage Coach strap construction",
                    "photo 2: small gold-tone zipper with tassel charm - not solid-brass Talon\/YKK vintage Coach hardware, no turnlock present",
                    "photo 3: plain white back with zip-top, no exterior slip pocket, no solid-brass turnlock flap - silhouette does not match City Bag, Court, Station, Dinky or other classics"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone zipper top with small tassel charm on side; no turnlock, no brass dogleash clips, no stamps legible",
                    "leather_description": "white smooth-appearing body with multicolor woven front; grain and thickness not resolvable, cannot confirm glove-tanned leather vs coated \/ synthetic",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible",
                    "strap_construction": "thin white braided fixed-length crossbody strap, attachment detail not visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any photo so no style number to decode",
                    "Silhouette is small zip-top crossbody with woven front - does not match City Bag (9790), Court (9870), Station (5130), Dinky (9375), Willis (9927) or other glove-tanned classics in shape, closure or strap",
                    "Construction cues - braided strap, tassel zipper pull, woven decorative panel - point away from 1970s-1990s unlined glove-tanned solid-brass Coach",
                    "Condition: appears clean and structured in photos 1-3 but no interior, bottom or close-ups shown so no grade can be assigned; lining unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.1
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16609,
            "output_tokens": 722,
            "total_tokens": 17331,
            "estimated_cost_usd": 0.008376
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17028,
            "output_tokens": 1183,
            "total_tokens": 18211,
            "estimated_cost_usd": 0.004352
        }
    ]
}