Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.03,
    "vintage_probability": 0.24,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.7,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.82,
    "recommended_max_bid": 8,
    "estimated_resale_low": 6.5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a handbag with a shoulder strap and front closure",
        "photo 1: the body appears to be leather or leather-like material with extensive embossed decoration",
        "photo 1,5: leather shoulder bag silhouette of 1990s type - only generic population similarity, no Coach identifier"
    ],
    "negative_evidence": [
        "photo 1: ornate repeating embossed imagery and decorative construction do not match the smooth, understated glove-tanned leather typical of classic vintage Coach",
        "photo 1: no visible Coach wordmark, horse-and-carriage, or recognizable Coach hangtag",
        "photo 6: black fabric lining is visible, whereas many classic vintage Coach turnlock bags are unlined suede-backed leather",
        "photo 1: the front closure is a narrow decorative metal bar rather than a recognizable vintage Coach turnlock",
        "photo 1: the bag has a generic embossed decorative aesthetic with no visible Coach identifier",
        "photo 1,2,3,5: all-over embossed tribal\/geometric and elephant motifs - never used on vintage Coach glove-tanned classics which are smooth tone-on-tone",
        "photo 1,2,3: front bar\/toggle clasp through leather tab - not Coach turnlock geometry (wide thin oval plate with slim rounded tab)",
        "photo 6: black fabric lining with interior zip - vintage Coach classics of this form are unlined suede-back glove-tanned, not fabric-lined",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 4: zip-top main compartment with thin leatherette-like binding - inconsistent with 1980s-1990s Coach construction"
    ],
    "missing_information": [
        "photo 6: interior back wall and all pockets should be photographed clearly to check for a brand label or creed patch",
        "bottom, side seams, strap attachment points, zipper pull, and closure hardware should be shown in close-up",
        "any interior fabric label, leather tag, or country-of-origin marking is not shown",
        "photo 6 shows interior but no creed patch visible - need straight-on raking-light photo of interior back wall and slip pocket to confirm no creed",
        "no hangtag, wordmark, or hardware stamps shown - need both faces of any tags and zipper-pull brand",
        "no bottom, back-panel, and close-up hardware views"
    ],
    "authenticity_concerns": [
        "photo 1: construction and decorative embossed pattern are inconsistent with the classic vintage Coach styles considered here",
        "photo 6: fabric lining and lack of any visible Coach identifier support a generic non-Coach attribution"
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match: the embossed decorative body, fabric lining, and generic bar closure do not correspond closely to the listed classic Coach silhouettes.",
        "photo 6: no creed or serial can be assessed because the relevant interior wall is not shown clearly.",
        "Condition: Good; visible surface wear, creasing, and rubbing are present in photos 1-3, while the interior and strap condition are only partly documented.",
        "No Coach catalog style matches embossed elephant\/tribal leather with bar-clasp front pocket and fabric lining; City Bag, Willis, Court, Station all require smooth glove-tanned leather, Coach turnlock, unlined interior and creed - none present",
        "Condition: Good; visible wear spots\/rubbing on embossing (photo 3), soft slouching, dull hardware, interior appears intact but only one interior view so lining condition limited"
    ],
    "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 brass-tone horizontal bar and tab closure; no visible Coach engraving; hardware details are limited",
        "leather_description": "photo 1: red leather or leather-like material with dense all-over embossed geometric, floral, and animal imagery; visible rubbing and wear",
        "lining_description": "photo 6: black fabric lining with an interior zip pocket is visible",
        "strap_construction": "photo 5: single adjustable shoulder strap with a small metal adjustment buckle; attachment construction is only partly visible",
        "stitching_description": "photos 1-3: visible perimeter and panel stitching appears generally even, though close-up stress-point inspection is unavailable"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0048,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a handbag with a shoulder strap and front closure",
                    "photo 1: the body appears to be leather or leather-like material with extensive embossed decoration"
                ],
                "negative_evidence": [
                    "photo 1: ornate repeating embossed imagery and decorative construction do not match the smooth, understated glove-tanned leather typical of classic vintage Coach",
                    "photo 1: no visible Coach wordmark, horse-and-carriage, or recognizable Coach hangtag",
                    "photo 6: black fabric lining is visible, whereas many classic vintage Coach turnlock bags are unlined suede-backed leather",
                    "photo 1: the front closure is a narrow decorative metal bar rather than a recognizable vintage Coach turnlock",
                    "photo 1: the bag has a generic embossed decorative aesthetic with no visible Coach identifier"
                ],
                "missing_information": [
                    "photo 6: interior back wall and all pockets should be photographed clearly to check for a brand label or creed patch",
                    "bottom, side seams, strap attachment points, zipper pull, and closure hardware should be shown in close-up",
                    "any interior fabric label, leather tag, or country-of-origin marking is not shown"
                ],
                "authenticity_concerns": [
                    "photo 1: construction and decorative embossed pattern are inconsistent with the classic vintage Coach styles considered here",
                    "photo 6: fabric lining and lack of any visible Coach identifier support a generic non-Coach attribution"
                ],
                "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 brass-tone horizontal bar and tab closure; no visible Coach engraving; hardware details are limited",
                    "leather_description": "photo 1: red leather or leather-like material with dense all-over embossed geometric, floral, and animal imagery; visible rubbing and wear",
                    "lining_description": "photo 6: black fabric lining with an interior zip pocket is visible",
                    "strap_construction": "photo 5: single adjustable shoulder strap with a small metal adjustment buckle; attachment construction is only partly visible",
                    "stitching_description": "photos 1-3: visible perimeter and panel stitching appears generally even, though close-up stress-point inspection is unavailable"
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match: the embossed decorative body, fabric lining, and generic bar closure do not correspond closely to the listed classic Coach silhouettes.",
                    "photo 6: no creed or serial can be assessed because the relevant interior wall is not shown clearly.",
                    "Condition: Good; visible surface wear, creasing, and rubbing are present in photos 1-3, while the interior and strap condition are only partly documented."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.78,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 8,
                "image_quality_score": 0.62,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo 6 shows interior but no creed patch visible - need straight-on raking-light photo of interior back wall and slip pocket to confirm no creed",
                    "no hangtag, wordmark, or hardware stamps shown - need both faces of any tags and zipper-pull brand",
                    "no bottom, back-panel, and close-up hardware views"
                ],
                "negative_evidence": [
                    "photo 1,2,3,5: all-over embossed tribal\/geometric and elephant motifs - never used on vintage Coach glove-tanned classics which are smooth tone-on-tone",
                    "photo 1,2,3: front bar\/toggle clasp through leather tab - not Coach turnlock geometry (wide thin oval plate with slim rounded tab)",
                    "photo 6: black fabric lining with interior zip - vintage Coach classics of this form are unlined suede-back glove-tanned, not fabric-lined",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 4: zip-top main compartment with thin leatherette-like binding - inconsistent with 1980s-1990s Coach construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone bar clasp on front tab (photo 2,3); zipper with leather pull at top (photo 4,6); tone dull\/aged, not solid-brass Coach turnlock hardware",
                    "leather_description": "red embossed leather with tribal\/geometric bands and elephant\/animal figures (photo 1,2,3); shiny coated surface, soft slouchy body, visible wear\/rubbing",
                    "lining_description": "black fabric lining in interior with zip pocket (photo 6); not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "top-edge stitching visible (photo 3,4) tone-matched but no detail of stress points; not_visible in close-up",
                    "strap_construction": "single thin fixed-length shoulder\/crossbody strap in same red leather with buckle adjustment (photo 5); no dogleash clips or dowel handle",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1,5: leather shoulder bag silhouette of 1990s type - only generic population similarity, no Coach identifier"
                ],
                "possible_model_reasoning": [
                    "No Coach catalog style matches embossed elephant\/tribal leather with bar-clasp front pocket and fabric lining; City Bag, Willis, Court, Station all require smooth glove-tanned leather, Coach turnlock, unlined interior and creed - none present",
                    "Condition: Good; visible wear spots\/rubbing on embossing (photo 3), soft slouching, dull hardware, interior appears intact but only one interior view so lining condition limited"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.4
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18122,
            "output_tokens": 762,
            "total_tokens": 18884,
            "estimated_cost_usd": 0.009078
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18678,
            "output_tokens": 1255,
            "total_tokens": 19933,
            "estimated_cost_usd": 0.00474
        }
    ]
}