Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.86,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.815,
    "seller_misidentification_probability": 0.04,
    "confidence": 0.905,
    "recommended_max_bid": 20,
    "estimated_resale_low": 25,
    "estimated_resale_high": 67.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a structured vintage-style top-handle handbag with flap closure and gold-tone hardware.",
        "photo 6: Interior foil stamp visibly appears to read \u201cMy Lady London,\u201d supporting a non-Coach brand attribution.",
        "photo 1: Reptile-patterned exterior and formal box-bag construction are inconsistent with the usual vintage Coach glove-tanned leather classics."
    ],
    "negative_evidence": [
        "photo 1: No visible Coach wordmark, horse-and-carriage, or Coach hangtag.",
        "photo 5: Interior is fabric-lined and divided into compartments; this does not match the typical unlined glove-tanned construction of many vintage Coach classics.",
        "photo 6: The visible interior branding appears to be \u201cMy Lady London,\u201d not Coach.",
        "photo 1: The clasp is a small central box-style closure rather than a recognizable Coach turnlock.",
        "photo 3: Exterior construction and reptile-pattern material point to an exotic-leather British handbag rather than a Coach model.",
        "photo 6: foil stamp My Lady London Made in England, not COACH",
        "photo 1-3,5: black lizard-skin exterior, not Coach glove-tanned cowhide",
        "photo 5: black fabric lining with accordion compartments, not unlined suede Coach classic interior",
        "photo 1,5: small rectangular clasp closure, not Coach Cashin turnlock geometry",
        "photo 1-3: top-handle frame\/box silhouette with base studs, no Coach catalog match"
    ],
    "missing_information": [
        "photo 6: A sharper, straight-on close-up of the interior brand stamp would confirm the full wording.",
        "A close-up of the clasp and all hardware would help identify the maker and approximate period.",
        "Seller-stated measurements and a clear view of any labels, pockets, or maker marks not shown would improve dating and valuation.",
        "Odor, lining condition, clasp function, and whether the reptile material is genuine cannot be fully assessed from photos alone.",
        "No Coach creed patch shown - interior stamp shown is My Lady London only",
        "No Coach hangtag, wordmark, or serial number visible in any photo"
    ],
    "authenticity_concerns": [
        "photo 6: The visible maker mark identifies or strongly suggests My Lady London, creating a direct non-Coach attribution.",
        "photo 1: The exotic\/reptile-pattern material and lined frame-bag construction are inconsistent with the classic vintage Coach construction relevant to this search.",
        "photo 6: interior foil stamp reads My Lady London Made in England, inconsistent with any Coach creed wording or country line",
        "photo 1-5: genuine lizard skin exterior and structured frame-bag silhouette inconsistent with Coach glove-tanned classics"
    ],
    "possible_model_reasoning": [
        "No plausible Coach model match: the boxy frame silhouette, central clasp, reptile-pattern exterior, and fabric-lined compartmented interior fit a mid-century British handbag better than the listed vintage Coach catalog styles.",
        "photo 6: The visible interior foil stamp appears to read \u201cMy Lady London,\u201d supporting the seller\u2019s non-Coach attribution; the text is not sharp enough for a fully certain transcription.",
        "Condition: Good to Very Good based on visible intact structure and generally clean exterior; hardware discoloration is noted by the seller, while interior wear and clasp function require confirmation.",
        "No Coach model fits: lizard skin, Made in England, My Lady London stamp and frame-bag construction point to 1950s-1960s British maker, not Coach",
        "Era reasoning: seller-stated 1950s consistent with silhouette and materials; inconsistent with all Coach creed\/serial eras",
        "Condition: Very Good to Excellent for age; structure intact, leather clean in photos, hardware discoloration noted by seller, interior lining appears clean"
    ],
    "estimated_era": "unknown",
    "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 central box clasp and gold-tone handle fittings are visible; seller notes discoloration on the hardware. No Coach engraving is visible.",
        "leather_description": "photo 1: Black reptile-pattern material is visible across the exterior; it appears lizard-like or embossed reptile leather, but the exact material cannot be verified from photos alone.",
        "lining_description": "photo 5: Black fabric lining is visible, with multiple compartments and an interior pocket.",
        "strap_construction": "photo 1: Single structured top handle attached with gold-tone fittings; no shoulder strap is visible.",
        "stitching_description": "photos 1-5: Stitching appears generally even around the flap, handle, edges, and base, though some close areas are soft-focused."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0009,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.82,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a structured vintage-style top-handle handbag with flap closure and gold-tone hardware.",
                    "photo 6: Interior foil stamp visibly appears to read \u201cMy Lady London,\u201d supporting a non-Coach brand attribution.",
                    "photo 1: Reptile-patterned exterior and formal box-bag construction are inconsistent with the usual vintage Coach glove-tanned leather classics."
                ],
                "negative_evidence": [
                    "photo 1: No visible Coach wordmark, horse-and-carriage, or Coach hangtag.",
                    "photo 5: Interior is fabric-lined and divided into compartments; this does not match the typical unlined glove-tanned construction of many vintage Coach classics.",
                    "photo 6: The visible interior branding appears to be \u201cMy Lady London,\u201d not Coach.",
                    "photo 1: The clasp is a small central box-style closure rather than a recognizable Coach turnlock.",
                    "photo 3: Exterior construction and reptile-pattern material point to an exotic-leather British handbag rather than a Coach model."
                ],
                "missing_information": [
                    "photo 6: A sharper, straight-on close-up of the interior brand stamp would confirm the full wording.",
                    "A close-up of the clasp and all hardware would help identify the maker and approximate period.",
                    "Seller-stated measurements and a clear view of any labels, pockets, or maker marks not shown would improve dating and valuation.",
                    "Odor, lining condition, clasp function, and whether the reptile material is genuine cannot be fully assessed from photos alone."
                ],
                "authenticity_concerns": [
                    "photo 6: The visible maker mark identifies or strongly suggests My Lady London, creating a direct non-Coach attribution.",
                    "photo 1: The exotic\/reptile-pattern material and lined frame-bag construction are inconsistent with the classic vintage Coach construction relevant to this search."
                ],
                "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 central box clasp and gold-tone handle fittings are visible; seller notes discoloration on the hardware. No Coach engraving is visible.",
                    "leather_description": "photo 1: Black reptile-pattern material is visible across the exterior; it appears lizard-like or embossed reptile leather, but the exact material cannot be verified from photos alone.",
                    "lining_description": "photo 5: Black fabric lining is visible, with multiple compartments and an interior pocket.",
                    "strap_construction": "photo 1: Single structured top handle attached with gold-tone fittings; no shoulder strap is visible.",
                    "stitching_description": "photos 1-5: Stitching appears generally even around the flap, handle, edges, and base, though some close areas are soft-focused."
                },
                "possible_model_reasoning": [
                    "No plausible Coach model match: the boxy frame silhouette, central clasp, reptile-pattern exterior, and fabric-lined compartmented interior fit a mid-century British handbag better than the listed vintage Coach catalog styles.",
                    "photo 6: The visible interior foil stamp appears to read \u201cMy Lady London,\u201d supporting the seller\u2019s non-Coach attribution; the text is not sharp enough for a fully certain transcription.",
                    "Condition: Good to Very Good based on visible intact structure and generally clean exterior; hardware discoloration is noted by the seller, while interior wear and clasp function require confirmation."
                ],
                "confidence": 0.91,
                "recommended_max_bid": 25,
                "estimated_resale_low": 30,
                "estimated_resale_high": 90
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 6: interior foil stamp reads My Lady London Made in England, inconsistent with any Coach creed wording or country line",
                    "photo 1-5: genuine lizard skin exterior and structured frame-bag silhouette inconsistent with Coach glove-tanned classics"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "unknown",
                "estimated_resale_high": 45,
                "estimated_resale_low": 20,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No Coach creed patch shown - interior stamp shown is My Lady London only",
                    "No Coach hangtag, wordmark, or serial number visible in any photo"
                ],
                "negative_evidence": [
                    "photo 6: foil stamp My Lady London Made in England, not COACH",
                    "photo 1-3,5: black lizard-skin exterior, not Coach glove-tanned cowhide",
                    "photo 5: black fabric lining with accordion compartments, not unlined suede Coach classic interior",
                    "photo 1,5: small rectangular clasp closure, not Coach Cashin turnlock geometry",
                    "photo 1-3: top-handle frame\/box silhouette with base studs, no Coach catalog match"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone clasp closure and handle anchors with base feet; tarnish\/discoloration noted; not solid brass Coach turnlock hardware",
                    "leather_description": "black genuine lizard skin with small scale pattern, structured finish",
                    "lining_description": "black fabric lining visible in photo 5-6 with interior compartments",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-on-tone edge stitching visible on flap and handle; no detail to suggest Coach",
                    "strap_construction": "single rigid top-handle in matching lizard skin, anchored with gold-tone fittings",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: lizard skin, Made in England, My Lady London stamp and frame-bag construction point to 1950s-1960s British maker, not Coach",
                    "Era reasoning: seller-stated 1950s consistent with silhouette and materials; inconsistent with all Coach creed\/serial eras",
                    "Condition: Very Good to Excellent for age; structure intact, leather clean in photos, hardware discoloration noted by seller, interior lining appears clean"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.05,
                "vintage_probability": 0.9
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18269,
            "output_tokens": 1010,
            "total_tokens": 19279,
            "estimated_cost_usd": 0.009732
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18833,
            "output_tokens": 1520,
            "total_tokens": 20353,
            "estimated_cost_usd": 0.004983
        }
    ]
}