Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.055,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.745,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.84,
    "recommended_max_bid": 10,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 42.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the lot shows six handbags\/accessories, but no legible Coach wordmark, horse-and-carriage, creed patch, or recognizable vintage Coach construction.",
        "photo 2: the floral bag has a bright printed textile exterior, purple zipper trim, and a clear plastic organizer-style interior, inconsistent with classic vintage Coach glove-tanned leather.",
        "photo 3: the burgundy bag appears to be velvet or textile with a fabric lining and shiny plated hardware, not a vintage Coach leather classic.",
        "photo 4: the pink bag has synthetic-looking pebbled material, decorative bow and padlock motif, and plated hardware; it lacks visible Coach branding.",
        "photo 1: the woven clutch and small beige shoulder bag show no visible Coach identifiers and are not distinctive Coach silhouettes.",
        "photo 1: the mixed-lot presentation and generic fashion styling provide no reliable brand evidence.",
        "photo 1: lot of 6 disparate fast-fashion bags - floral fabric tote, burgundy velvet mini, pink bow satchel, crochet pouch, tan flap clutch, beige mini crossbody - none shows Coach silhouette, brass turnlock or glove-tanned leather",
        "photo 2-3: floral bag is printed cotton\/polyester fabric with fabric handles and purple zipper - nylon\/fabric material excludes vintage Coach per triage",
        "photo 3: interior tag reads 'Diana...' with gold-tone zipper charm - branded non-Coach toiletry\/cosmetic bag, not Coach",
        "photo 4-5: burgundy bag is velvet\/velour with shiny polyester lining, silver-tone magnetic snap and dyed-to-match zipper - material + lining + plated hardware inconsistent with Coach classics",
        "photo 6: pink bag is pink coated faux leather with bow, novelty padlock, silver-tone O-rings and tan edge paint - modern mall\/fast-fashion construction, no Coach cues"
    ],
    "missing_information": [
        "Individual interior photos of the brown clutch, beige shoulder bag, and pink bag, including all labels and sewn-in tags.",
        "Straight-on close-ups of every interior wall, pocket, zipper pull, and hardware mark.",
        "Bottom, side, strap-attachment, and material close-ups for each item.",
        "Seller-stated dimensions, materials, and any labels or markings not visible in the listing photos.",
        "photo 1: multi-bag lot overview only - no creed patch, wordmark, hangtag or hardware stamps legible on any of the 6 bags",
        "photo 3: floral bag interior shows plastic bottles and fabric tag reading 'Diana...' - not a Coach creed, no Coach identifiers",
        "no bottom, side, interior views for pink bow bag, tan clutch, crochet pouch, beige mini crossbody",
        "no turnlock, brass hardware, glove-tanned leather or unlined suede interior visible on any bag"
    ],
    "authenticity_concerns": [
        "photo 2: synthetic\/textile construction and clear plastic lining on the floral bag are inconsistent with the classic vintage Coach population.",
        "photo 3: the burgundy bag's velvet\/textile construction and plated-looking hardware are inconsistent with classic vintage Coach construction.",
        "photo 4: the pink bag's decorative lock-and-bow design and synthetic-looking material are generic lookalike cues, not Coach evidence."
    ],
    "possible_model_reasoning": [
        "No Coach model is proposed because the visible items lack Coach identifiers and do not match a distinctive Coach silhouette.",
        "photo 1: the lot is best treated as generic secondhand fashion handbags rather than vintage Coach.",
        "Condition cannot be fully graded from the group image; the visible items appear approximately Good to Very Good, but interiors, bottoms, odors, and functional condition are not established.",
        "lot assessment: 6 items examined together - none matches any Coach catalog silhouette, closure, leather or hardware type",
        "tan flap clutch (photo 1 bottom middle) is leather-look envelope but has contrast edge trim, no turnlock, no creed, no brass - does not match Patricia's Legacy (9951) or Convertible Clutch (9635) which require turnlock + unlined glove-tanned + brass",
        "floral bag identified as non-Coach Diana-branded toiletry bag from interior tag (photo 3)",
        "Condition: mixed lot Good to Very Good as fashion items, but irrelevant to Coach value; no Coach condition grade applicable"
    ],
    "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: mixed small handbags with visible zippers, rings, a decorative padlock, and plated-looking hardware; no Coach-stamped hardware is legible.",
        "leather_description": "photo 1: the floral item appears textile, the burgundy item appears velvet or textile, the pink item appears synthetic or coated material, and the remaining items are too distant to identify confidently.",
        "lining_description": "photo 2: the floral item has clear plastic organizer compartments and textile trim. photo 5: the burgundy item has a dark fabric lining. Other linings are not_visible.",
        "strap_construction": "photo 1: floral bag has two textile handles; pink bag has short handles and a long shoulder strap; beige bag has a thin long shoulder strap. Other strap construction is not_visible.",
        "stitching_description": "photo 4: pink bag has visible, fairly regular contrast stitching, but it is generic and not sufficient for Coach attribution. Other stitching is not_visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0014,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.06,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.84,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the lot shows six handbags\/accessories, but no legible Coach wordmark, horse-and-carriage, creed patch, or recognizable vintage Coach construction.",
                    "photo 2: the floral bag has a bright printed textile exterior, purple zipper trim, and a clear plastic organizer-style interior, inconsistent with classic vintage Coach glove-tanned leather.",
                    "photo 3: the burgundy bag appears to be velvet or textile with a fabric lining and shiny plated hardware, not a vintage Coach leather classic.",
                    "photo 4: the pink bag has synthetic-looking pebbled material, decorative bow and padlock motif, and plated hardware; it lacks visible Coach branding.",
                    "photo 1: the woven clutch and small beige shoulder bag show no visible Coach identifiers and are not distinctive Coach silhouettes.",
                    "photo 1: the mixed-lot presentation and generic fashion styling provide no reliable brand evidence."
                ],
                "missing_information": [
                    "Individual interior photos of the brown clutch, beige shoulder bag, and pink bag, including all labels and sewn-in tags.",
                    "Straight-on close-ups of every interior wall, pocket, zipper pull, and hardware mark.",
                    "Bottom, side, strap-attachment, and material close-ups for each item.",
                    "Seller-stated dimensions, materials, and any labels or markings not visible in the listing photos."
                ],
                "authenticity_concerns": [
                    "photo 2: synthetic\/textile construction and clear plastic lining on the floral bag are inconsistent with the classic vintage Coach population.",
                    "photo 3: the burgundy bag's velvet\/textile construction and plated-looking hardware are inconsistent with classic vintage Coach construction.",
                    "photo 4: the pink bag's decorative lock-and-bow design and synthetic-looking material are generic lookalike cues, not Coach evidence."
                ],
                "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: mixed small handbags with visible zippers, rings, a decorative padlock, and plated-looking hardware; no Coach-stamped hardware is legible.",
                    "leather_description": "photo 1: the floral item appears textile, the burgundy item appears velvet or textile, the pink item appears synthetic or coated material, and the remaining items are too distant to identify confidently.",
                    "lining_description": "photo 2: the floral item has clear plastic organizer compartments and textile trim. photo 5: the burgundy item has a dark fabric lining. Other linings are not_visible.",
                    "strap_construction": "photo 1: floral bag has two textile handles; pink bag has short handles and a long shoulder strap; beige bag has a thin long shoulder strap. Other strap construction is not_visible.",
                    "stitching_description": "photo 4: pink bag has visible, fairly regular contrast stitching, but it is generic and not sufficient for Coach attribution. Other stitching is not_visible."
                },
                "possible_model_reasoning": [
                    "No Coach model is proposed because the visible items lack Coach identifiers and do not match a distinctive Coach silhouette.",
                    "photo 1: the lot is best treated as generic secondhand fashion handbags rather than vintage Coach.",
                    "Condition cannot be fully graded from the group image; the visible items appear approximately Good to Very Good, but interiors, bottoms, odors, and functional condition are not established."
                ],
                "confidence": 0.83,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 40,
                "estimated_resale_low": 15,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1: multi-bag lot overview only - no creed patch, wordmark, hangtag or hardware stamps legible on any of the 6 bags",
                    "photo 3: floral bag interior shows plastic bottles and fabric tag reading 'Diana...' - not a Coach creed, no Coach identifiers",
                    "no bottom, side, interior views for pink bow bag, tan clutch, crochet pouch, beige mini crossbody",
                    "no turnlock, brass hardware, glove-tanned leather or unlined suede interior visible on any bag"
                ],
                "negative_evidence": [
                    "photo 1: lot of 6 disparate fast-fashion bags - floral fabric tote, burgundy velvet mini, pink bow satchel, crochet pouch, tan flap clutch, beige mini crossbody - none shows Coach silhouette, brass turnlock or glove-tanned leather",
                    "photo 2-3: floral bag is printed cotton\/polyester fabric with fabric handles and purple zipper - nylon\/fabric material excludes vintage Coach per triage",
                    "photo 3: interior tag reads 'Diana...' with gold-tone zipper charm - branded non-Coach toiletry\/cosmetic bag, not Coach",
                    "photo 4-5: burgundy bag is velvet\/velour with shiny polyester lining, silver-tone magnetic snap and dyed-to-match zipper - material + lining + plated hardware inconsistent with Coach classics",
                    "photo 6: pink bag is pink coated faux leather with bow, novelty padlock, silver-tone O-rings and tan edge paint - modern mall\/fast-fashion construction, no Coach cues"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone magnetic snap and zipper on burgundy bag (photo 5); silver-tone O-rings, padlock charm and key on pink bag (photo 6); gold-tone zipper pull on floral bag (photo 3); no solid brass, no turnlock, no branded pulls visible",
                    "leather_description": "no glove-tanned cowhide visible; floral printed fabric, burgundy velvet\/velour, pink pebbled faux\/synthetic leather, crochet straw\/paper, tan pebbled synthetic\/leather-look clutch, beige smooth synthetic mini",
                    "lining_description": "photo 5: dark burgundy shiny polyester lining with zip pocket in burgundy bag; photo 3: cream fabric + clear vinyl pockets in floral bag; other bags lining not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 6: contrast light stitching on pink faux leather, basic machine stitching; photo 5: red-toned machine stitching on velvet; no tight matched-color Coach stitching observed",
                    "strap_construction": "fabric tote handles on floral bag, sewn velvet top handles on burgundy bag, faux-leather shoulder straps with snap\/O-ring attachment on pink bag, long thin crossbody cord on beige mini; no buckle-adjustable leather strap, dogleash clips or dowel handle",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "lot assessment: 6 items examined together - none matches any Coach catalog silhouette, closure, leather or hardware type",
                    "tan flap clutch (photo 1 bottom middle) is leather-look envelope but has contrast edge trim, no turnlock, no creed, no brass - does not match Patricia's Legacy (9951) or Convertible Clutch (9635) which require turnlock + unlined glove-tanned + brass",
                    "floral bag identified as non-Coach Diana-branded toiletry bag from interior tag (photo 3)",
                    "Condition: mixed lot Good to Very Good as fashion items, but irrelevant to Coach value; no Coach condition grade applicable"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 31105,
            "output_tokens": 901,
            "total_tokens": 32006,
            "estimated_cost_usd": 0.014604
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 33226,
            "output_tokens": 1647,
            "total_tokens": 34873,
            "estimated_cost_usd": 0.007963
        }
    ]
}