Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.525,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.735,
    "seller_misidentification_probability": 0.02,
    "confidence": 0.885,
    "recommended_max_bid": 11,
    "estimated_resale_low": 15,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 2: The bag has elaborate hand-tooled and hand-painted Egyptian-style imagery, unlike standard Coach leather handbag designs.",
        "photo 5: Interior shows a black fabric or synthetic lining with snap hardware; no Coach creed patch or serial number is visible.",
        "photo 1: Construction includes a broad decorative base panel and heavily embossed exterior, not a recognizable vintage Coach silhouette.",
        "photo 2: Handles and body appear glossy and heavily decorated rather than typical glove-tanned Coach leather with restrained tone-on-tone finishing.",
        "photo 6: Visible interior hardware and lining provide no Coach wordmark, horse-and-carriage mark, or other Coach identifier.",
        "photo 1-3: all-over hand-tooled embossed and hand-painted pictorial leather with sunset and Egyptian figure - never a Coach glove-tanned classic finish or catalog motif",
        "photo 1-3: domed handbag silhouette with short rolled top handles riveted through body - no match to any Coach catalog style",
        "photo 5: silver-tone snap-button closure, not solid-brass turnlock geometry",
        "photo 5: raw suede-like interior with dark fabric\/board bottom insert, no creed patch, no COACH wordmark, no lining label visible",
        "photo 1-5: no leather hangtag, no COACH wordmark, no horse-and-carriage visible"
    ],
    "missing_information": [
        "photo 5-6: A clearer, fully opened interior view and all interior pockets or seams should be provided to confirm that no label or tag is present.",
        "A close-up of any exterior, interior, or hardware markings is needed.",
        "Bottom corners, side construction, closure, and handle attachment details are only partly documented.",
        "Seller-stated Shantiniketan origin and vintage description are not independently verifiable from the photos.",
        "photo 5 shows interior top only; no straight-on creed-patch view, but no patch is expected on this type",
        "no hardware brand stamps shown",
        "no bottom, side and scale views"
    ],
    "authenticity_concerns": [
        "photo 5: The fabric\/synthetic lining and decorative construction are inconsistent with classic unlined glove-tanned Coach styles.",
        "No visible Coach identifier supports Coach manufacture; the bag is better classified as an unbranded or regional hand-tooled leather handbag."
    ],
    "possible_model_reasoning": [
        "The silhouette is a handled handbag, but it does not closely match a documented vintage Coach model.",
        "The decorative Shantiniketan attribution in the title is more consistent with an Indian hand-tooled artisan or tourist-style bag than Coach production.",
        "Condition: Good; visible scuffing, surface wear, loose threads, and marks are present in photos 1, 4, and 5, while odor and hidden structural damage cannot be assessed.",
        "No Coach model fits: silhouette, hand-tooled pictorial painted leather, snap closure and riveted rolled handles are inconsistent with all 1970s-2000s Coach classics and modern lines",
        "Seller text correctly identifies as Shantiniketan hand-tooled Indian leather bag, not Coach; unbranded label is correct",
        "Condition: Very Good to Good; painted surface looks intact in photos 1-3, photo 4 shows surface scratches\/scuffs on dark panel, interior in photo 5 shows marks but no structural failure visible; interior not fully shown so capped"
    ],
    "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 6: Multiple small snap or rivet-like metal fittings are visible around the opening; no Coach engraving is visible.",
        "leather_description": "photos 1-4: Glossy dark leather or leather-like material with extensive embossed tooling and multicolor painted Egyptian-style scenes.",
        "lining_description": "photos 5-6: Black fabric or synthetic lining is visible, with some small light-colored marks and loose threads.",
        "strap_construction": "photos 2-3: Two short rounded handles attached near the upper sides with visible metal fittings; no adjustable shoulder strap is shown.",
        "stitching_description": "photos 1 and 5: Perimeter stitching is visible in places but appears uneven or difficult to assess; no distinctive Coach construction detail is visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0033,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.65,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 2: The bag has elaborate hand-tooled and hand-painted Egyptian-style imagery, unlike standard Coach leather handbag designs.",
                    "photo 5: Interior shows a black fabric or synthetic lining with snap hardware; no Coach creed patch or serial number is visible.",
                    "photo 1: Construction includes a broad decorative base panel and heavily embossed exterior, not a recognizable vintage Coach silhouette.",
                    "photo 2: Handles and body appear glossy and heavily decorated rather than typical glove-tanned Coach leather with restrained tone-on-tone finishing.",
                    "photo 6: Visible interior hardware and lining provide no Coach wordmark, horse-and-carriage mark, or other Coach identifier."
                ],
                "missing_information": [
                    "photo 5-6: A clearer, fully opened interior view and all interior pockets or seams should be provided to confirm that no label or tag is present.",
                    "A close-up of any exterior, interior, or hardware markings is needed.",
                    "Bottom corners, side construction, closure, and handle attachment details are only partly documented.",
                    "Seller-stated Shantiniketan origin and vintage description are not independently verifiable from the photos."
                ],
                "authenticity_concerns": [
                    "photo 5: The fabric\/synthetic lining and decorative construction are inconsistent with classic unlined glove-tanned Coach styles.",
                    "No visible Coach identifier supports Coach manufacture; the bag is better classified as an unbranded or regional hand-tooled leather handbag."
                ],
                "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 6: Multiple small snap or rivet-like metal fittings are visible around the opening; no Coach engraving is visible.",
                    "leather_description": "photos 1-4: Glossy dark leather or leather-like material with extensive embossed tooling and multicolor painted Egyptian-style scenes.",
                    "lining_description": "photos 5-6: Black fabric or synthetic lining is visible, with some small light-colored marks and loose threads.",
                    "strap_construction": "photos 2-3: Two short rounded handles attached near the upper sides with visible metal fittings; no adjustable shoulder strap is shown.",
                    "stitching_description": "photos 1 and 5: Perimeter stitching is visible in places but appears uneven or difficult to assess; no distinctive Coach construction detail is visible."
                },
                "possible_model_reasoning": [
                    "The silhouette is a handled handbag, but it does not closely match a documented vintage Coach model.",
                    "The decorative Shantiniketan attribution in the title is more consistent with an Indian hand-tooled artisan or tourist-style bag than Coach production.",
                    "Condition: Good; visible scuffing, surface wear, loose threads, and marks are present in photos 1, 4, and 5, while odor and hidden structural damage cannot be assessed."
                ],
                "confidence": 0.89,
                "recommended_max_bid": 10,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 5 shows interior top only; no straight-on creed-patch view, but no patch is expected on this type",
                    "no hardware brand stamps shown",
                    "no bottom, side and scale views"
                ],
                "negative_evidence": [
                    "photo 1-3: all-over hand-tooled embossed and hand-painted pictorial leather with sunset and Egyptian figure - never a Coach glove-tanned classic finish or catalog motif",
                    "photo 1-3: domed handbag silhouette with short rolled top handles riveted through body - no match to any Coach catalog style",
                    "photo 5: silver-tone snap-button closure, not solid-brass turnlock geometry",
                    "photo 5: raw suede-like interior with dark fabric\/board bottom insert, no creed patch, no COACH wordmark, no lining label visible",
                    "photo 1-5: no leather hangtag, no COACH wordmark, no horse-and-carriage visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone snap buttons at top edge visible in photo 5; dark rivets attaching handles visible in photos 2-3; no solid brass turnlock, no brass dogleash clips, no COACH stamping visible",
                    "leather_description": "hand-tooled embossed leather with glossy hand-painted multicolor sunset \/ Egyptian figure scene on both sides in photos 1-3; dark embossed bottom panel in photo 4; not Coach glove-tanned smooth cowhide",
                    "lining_description": "not_visible as finished lining; photo 5 shows unlined tan suede-like interior walls with dark bottom insert, no zip pocket or slip pocket or creed visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible; edge construction not legible in photos",
                    "strap_construction": "twin short rolled top handles in dark leather, riveted directly to body, visible in photos 1-3; no detachable crossbody strap, no buckle adjustment, no dogleash clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: silhouette, hand-tooled pictorial painted leather, snap closure and riveted rolled handles are inconsistent with all 1970s-2000s Coach classics and modern lines",
                    "Seller text correctly identifies as Shantiniketan hand-tooled Indian leather bag, not Coach; unbranded label is correct",
                    "Condition: Very Good to Good; painted surface looks intact in photos 1-3, photo 4 shows surface scratches\/scuffs on dark panel, interior in photo 5 shows marks but no structural failure visible; interior not fully shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.4
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17640,
            "output_tokens": 793,
            "total_tokens": 18433,
            "estimated_cost_usd": 0.008959
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18143,
            "output_tokens": 1486,
            "total_tokens": 19629,
            "estimated_cost_usd": 0.004817
        }
    ]
}