Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.075,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.665,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.77,
    "recommended_max_bid": 15,
    "estimated_resale_low": 15,
    "estimated_resale_high": 60,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the green shoulder bag visibly bears the word \"LAMARTHE,\" identifying it as another brand rather than Coach.",
        "photo 2: the blue crossbody also appears to have a non-Coach metallic brand plaque and no visible Coach wordmark or horse-and-carriage.",
        "photos 1-6: no visible Coach creed patch, serial\/style number, hangtag, turnlock, or Coach branding on the photographed bags.",
        "photos 3-6: the silhouettes and decorative construction are generic contemporary handbag designs, not clearly recognizable vintage Coach classics.",
        "listing title: this is an eight-purse lot, while only six bag photos are provided; seller identifies the lot as unbranded but provides no Coach-specific evidence.",
        "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible on any bag",
        "photo 1-4: thin, smooth faux\/PU-looking material with uniform sheen and slouch inconsistent with glove-tanned cowhide",
        "photo 1-2: visible non-Coach brand lettering on front zip pocket",
        "photo 1-6: modern fast-fashion silhouettes - multi-zip crossbody, stud-trim tote, whipstitch hobo - with no catalog Coach silhouette match",
        "photo 1-6: no solid brass turnlock, dogleash clips, or brass hardware anywhere"
    ],
    "missing_information": [
        "photos of the two unpictured purses from front, back, bottom, and interior",
        "interior photos of every bag, including any sewn leather creed patches or fabric brand tags",
        "close-ups of all exterior and interior logos, hardware, zipper pulls, and labels",
        "seller-stated materials, dimensions, condition, and whether any bags are leather",
        "bottom and corner views to assess wear and construction",
        "photo 1-6: no interior, creed patch, lining, or hardware close-ups shown for any bag in lot",
        "photo 1-6: no back, side, bottom, or strap-detail views shown",
        "photo 1-6: title states 8 purses but only 6 bags photographed - 2 bags entirely unshown"
    ],
    "authenticity_concerns": [
        "photo 1: visible LAMARTHE branding is inconsistent with a Coach attribution for that bag.",
        "photos 1-6: the available photos provide no Coach identifier; the lot appears to contain other contemporary brands or generic bags rather than identifiable Coach pieces."
    ],
    "possible_model_reasoning": [
        "No Coach model is proposed because no photographed bag has a visible Coach identifier and the only clearly legible brand is LAMARTHE (photo 1).",
        "The contemporary zipper-pocket, studded, and soft-hobo designs in photos 1-6 do not establish a vintage Coach model match.",
        "Condition: approximately Good to Very Good externally, with visible creasing and soft slumping on several bags; interiors, odors, lining condition, and the two unpictured bags remain unknown.",
        "Lot of multiple modern synthetic bags with no Coach identifiers; no model match possible",
        "Condition: Good to Very Good exterior appearance for shown bags but interior, bottom, and odor unknown so uncapped grade not possible",
        "Era: modern synthetic fast-fashion construction places all shown bags as modern (2000s+), non-Coach"
    ],
    "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: small dark metal zipper and strap hardware; photo 2: multiple zipper pockets with dark hardware; photo 5: decorative metal studs and a central clasp-like ornament. No Coach-specific hardware is visible.",
        "leather_description": "photo 1: smooth, glossy dark green material; photo 3: soft beige material with decorative stitched panels; photo 4: light cream smooth material; photo 5: smooth black material; photo 6: pebbled dark green material. Material composition is not determinable from photos.",
        "lining_description": "not_visible",
        "strap_construction": "photos 1-3, 6: adjustable shoulder or crossbody straps; photos 4-5: fixed top handles. Strap details are visible externally but attachment and underside construction are not fully shown.",
        "stitching_description": "photos 1, 3-6: generally visible machine stitching and decorative panel seams; no distinctive Coach construction can be established."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0049,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.12,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.83,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the green shoulder bag visibly bears the word \"LAMARTHE,\" identifying it as another brand rather than Coach.",
                    "photo 2: the blue crossbody also appears to have a non-Coach metallic brand plaque and no visible Coach wordmark or horse-and-carriage.",
                    "photos 1-6: no visible Coach creed patch, serial\/style number, hangtag, turnlock, or Coach branding on the photographed bags.",
                    "photos 3-6: the silhouettes and decorative construction are generic contemporary handbag designs, not clearly recognizable vintage Coach classics.",
                    "listing title: this is an eight-purse lot, while only six bag photos are provided; seller identifies the lot as unbranded but provides no Coach-specific evidence."
                ],
                "missing_information": [
                    "photos of the two unpictured purses from front, back, bottom, and interior",
                    "interior photos of every bag, including any sewn leather creed patches or fabric brand tags",
                    "close-ups of all exterior and interior logos, hardware, zipper pulls, and labels",
                    "seller-stated materials, dimensions, condition, and whether any bags are leather",
                    "bottom and corner views to assess wear and construction"
                ],
                "authenticity_concerns": [
                    "photo 1: visible LAMARTHE branding is inconsistent with a Coach attribution for that bag.",
                    "photos 1-6: the available photos provide no Coach identifier; the lot appears to contain other contemporary brands or generic bags rather than identifiable Coach pieces."
                ],
                "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: small dark metal zipper and strap hardware; photo 2: multiple zipper pockets with dark hardware; photo 5: decorative metal studs and a central clasp-like ornament. No Coach-specific hardware is visible.",
                    "leather_description": "photo 1: smooth, glossy dark green material; photo 3: soft beige material with decorative stitched panels; photo 4: light cream smooth material; photo 5: smooth black material; photo 6: pebbled dark green material. Material composition is not determinable from photos.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1-3, 6: adjustable shoulder or crossbody straps; photos 4-5: fixed top handles. Strap details are visible externally but attachment and underside construction are not fully shown.",
                    "stitching_description": "photos 1, 3-6: generally visible machine stitching and decorative panel seams; no distinctive Coach construction can be established."
                },
                "possible_model_reasoning": [
                    "No Coach model is proposed because no photographed bag has a visible Coach identifier and the only clearly legible brand is LAMARTHE (photo 1).",
                    "The contemporary zipper-pocket, studded, and soft-hobo designs in photos 1-6 do not establish a vintage Coach model match.",
                    "Condition: approximately Good to Very Good externally, with visible creasing and soft slumping on several bags; interiors, odors, lining condition, and the two unpictured bags remain unknown."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 60
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.7,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 60,
                "estimated_resale_low": 20,
                "image_quality_score": 0.5,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1-6: no interior, creed patch, lining, or hardware close-ups shown for any bag in lot",
                    "photo 1-6: no back, side, bottom, or strap-detail views shown",
                    "photo 1-6: title states 8 purses but only 6 bags photographed - 2 bags entirely unshown"
                ],
                "negative_evidence": [
                    "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible on any bag",
                    "photo 1-4: thin, smooth faux\/PU-looking material with uniform sheen and slouch inconsistent with glove-tanned cowhide",
                    "photo 1-2: visible non-Coach brand lettering on front zip pocket",
                    "photo 1-6: modern fast-fashion silhouettes - multi-zip crossbody, stud-trim tote, whipstitch hobo - with no catalog Coach silhouette match",
                    "photo 1-6: no solid brass turnlock, dogleash clips, or brass hardware anywhere"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 1-6: small zipper pulls and thin rings in brass-tone and silver-tone; no turnlock, no solid brass hardware, no stamped pulls visible",
                    "leather_description": "photo 1-6: thin smooth material with synthetic sheen and wrinkling consistent with faux\/PU leather, not glove-tanned cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 1,3: decorative contrast whipstitch \/ topstitching; no tight matched vintage Coach stitching visible",
                    "strap_construction": "photo 1-6: thin crossbody and shoulder straps, some adjustable; no buckle-adjustable glove-tanned straps or dogleash clips visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Lot of multiple modern synthetic bags with no Coach identifiers; no model match possible",
                    "Condition: Good to Very Good exterior appearance for shown bags but interior, bottom, and odor unknown so uncapped grade not possible",
                    "Era: modern synthetic fast-fashion construction places all shown bags as modern (2000s+), non-Coach"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17716,
            "output_tokens": 917,
            "total_tokens": 18633,
            "estimated_cost_usd": 0.009287
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18051,
            "output_tokens": 1140,
            "total_tokens": 19191,
            "estimated_cost_usd": 0.004522
        }
    ]
}