Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.03,
    "vintage_probability": 0.265,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.72,
    "seller_misidentification_probability": 0.225,
    "confidence": 0.79,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag with a plaid textile body, shoulder strap, and zip-top opening.",
        "photo 2: Metal zipper and attachment hardware are visible, but no Coach-specific marking is legible.",
        "photo 3: The bag has a leather-like interior and a textile exterior; plaid fabric can occur in older handbags, but this is not specific to Coach."
    ],
    "negative_evidence": [
        "photo 1: No visible Coach wordmark, carriage, leather hangtag, creed patch, or recognizable Coach classic construction.",
        "photo 1: The braided textile strap and plaid fabric body do not resemble the usual glove-tanned leather construction of classic vintage Coach handbags.",
        "photo 2: Hardware appears generic and silver-tone; no identifiable Coach zipper or hardware marking is visible.",
        "photo 3: Interior appears lined and shows loose or fraying material at the seam, with no creed patch visible.",
        "photo 5: The bag's silhouette and construction are generic and do not support a specific Coach model.",
        "photo 1,5,6: body is madras-type plaid fabric, not glove-tanned cowhide",
        "photo 1,5,6: strap and top trim is crochet \/ woven jute-like material, macrame\/crochet category per triage",
        "photo 2,3: no creed patch visible in interior views",
        "photo 1-6: no COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 1,5: no turnlock, no solid-brass Coach hardware geometry"
    ],
    "missing_information": [
        "A straight-on photograph of the entire interior back wall and every interior pocket, including any labels or leather patches.",
        "Close-up photographs of both sides of the zipper pull, strap hardware, and any interior or exterior branding.",
        "Bottom, side, and seam photographs to assess construction and material more fully.",
        "Seller-stated measurements and material composition; the listing only says measurements are in photos.",
        "photo of any interior brand label or stamped patch - none visible",
        "photo of zipper pull brand stamp straight-on - partial SC mark only in photo 2",
        "photo of bottom and back wall for construction"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible in the supplied photos, so Coach manufacture cannot be supported.",
        "The generic plaid textile body, braided strap, lined interior, and hardware are more consistent with an unbranded or lookalike handbag than a classic Coach leather bag.",
        "photo 1-6: fabric plaid body with crochet trim inconsistent with Coach glove-tanned leather standard; no consistency check possible with no identifiers"
    ],
    "possible_model_reasoning": [
        "No Coach model is proposed because there is no visible creed, serial, wordmark, hangtag, or distinctive Coach silhouette.",
        "The plaid textile and braided strap could indicate a vintage or boho handbag, but those features are not sufficient to associate it with Coach.",
        "Condition: Good to Fair; visible strap-end wear\/fraying and interior seam deterioration in photos 1 and 3. Bottom and full interior condition are not fully shown.",
        "No Coach silhouette match: zip-top plaid pouch with crochet strap does not match any catalog style in 4.2 or 4.3",
        "No identifiers to decode: no creed, serial, country, or wordmark to date",
        "Condition: Good; light spotting on plaid in photo 1, otherwise intact; interior not fully shown so odor\/mold unknown"
    ],
    "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: Generic metal strap rings and clips are visible; photo 2: silver-tone zipper hardware is visible. No Coach stamp is legible.",
        "leather_description": "photo 2: Dark blue leather-like attachment tabs are visible; the main body appears plaid textile rather than leather.",
        "lining_description": "photo 3: Light olive lining is visible, with loose\/fraying material along an interior seam.",
        "strap_construction": "photo 1: Braided textile shoulder strap with leather-like end tabs and metal attachment rings; visible wear\/fraying near the ends.",
        "stitching_description": "photo 3: Interior seam stitching and lining edges are visible but appear worn or loose in places; full construction is not shown."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0072,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.18,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.79,
                "seller_misidentification_probability": 0.42,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag with a plaid textile body, shoulder strap, and zip-top opening.",
                    "photo 2: Metal zipper and attachment hardware are visible, but no Coach-specific marking is legible.",
                    "photo 3: The bag has a leather-like interior and a textile exterior; plaid fabric can occur in older handbags, but this is not specific to Coach."
                ],
                "negative_evidence": [
                    "photo 1: No visible Coach wordmark, carriage, leather hangtag, creed patch, or recognizable Coach classic construction.",
                    "photo 1: The braided textile strap and plaid fabric body do not resemble the usual glove-tanned leather construction of classic vintage Coach handbags.",
                    "photo 2: Hardware appears generic and silver-tone; no identifiable Coach zipper or hardware marking is visible.",
                    "photo 3: Interior appears lined and shows loose or fraying material at the seam, with no creed patch visible.",
                    "photo 5: The bag's silhouette and construction are generic and do not support a specific Coach model."
                ],
                "missing_information": [
                    "A straight-on photograph of the entire interior back wall and every interior pocket, including any labels or leather patches.",
                    "Close-up photographs of both sides of the zipper pull, strap hardware, and any interior or exterior branding.",
                    "Bottom, side, and seam photographs to assess construction and material more fully.",
                    "Seller-stated measurements and material composition; the listing only says measurements are in photos."
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible in the supplied photos, so Coach manufacture cannot be supported.",
                    "The generic plaid textile body, braided strap, lined interior, and hardware are more consistent with an unbranded or lookalike handbag than a classic Coach leather bag."
                ],
                "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: Generic metal strap rings and clips are visible; photo 2: silver-tone zipper hardware is visible. No Coach stamp is legible.",
                    "leather_description": "photo 2: Dark blue leather-like attachment tabs are visible; the main body appears plaid textile rather than leather.",
                    "lining_description": "photo 3: Light olive lining is visible, with loose\/fraying material along an interior seam.",
                    "strap_construction": "photo 1: Braided textile shoulder strap with leather-like end tabs and metal attachment rings; visible wear\/fraying near the ends.",
                    "stitching_description": "photo 3: Interior seam stitching and lining edges are visible but appear worn or loose in places; full construction is not shown."
                },
                "possible_model_reasoning": [
                    "No Coach model is proposed because there is no visible creed, serial, wordmark, hangtag, or distinctive Coach silhouette.",
                    "The plaid textile and braided strap could indicate a vintage or boho handbag, but those features are not sufficient to associate it with Coach.",
                    "Condition: Good to Fair; visible strap-end wear\/fraying and interior seam deterioration in photos 1 and 3. Bottom and full interior condition are not fully shown."
                ],
                "confidence": 0.78,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-6: fabric plaid body with crochet trim inconsistent with Coach glove-tanned leather standard; no consistency check possible with no identifiers"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.8,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo of any interior brand label or stamped patch - none visible",
                    "photo of zipper pull brand stamp straight-on - partial SC mark only in photo 2",
                    "photo of bottom and back wall for construction"
                ],
                "negative_evidence": [
                    "photo 1,5,6: body is madras-type plaid fabric, not glove-tanned cowhide",
                    "photo 1,5,6: strap and top trim is crochet \/ woven jute-like material, macrame\/crochet category per triage",
                    "photo 2,3: no creed patch visible in interior views",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 1,5: no turnlock, no solid-brass Coach hardware geometry"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone O-rings and swivel clip at strap ends, metal coil zipper with triangular slider stamped SC-like in photo 2; tarnished tone, not solid-brass Coach turnlock hardware",
                    "leather_description": "no glove-tanned body; only small blue-grey suede end tabs at zipper in photo 2",
                    "lining_description": "tan smooth lining visible in photo 3, appears coated fabric or thin leather, no creed patch seen",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible in detail; edge seams show casual stitching along zip tape in photo 3",
                    "strap_construction": "photo 1,5,6: flat crochet\/braided natural-fiber shoulder strap attached via metal rings to fabric tabs, not leather buckle-adjustable or dogleash Coach strap",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach silhouette match: zip-top plaid pouch with crochet strap does not match any catalog style in 4.2 or 4.3",
                    "No identifiers to decode: no creed, serial, country, or wordmark to date",
                    "Condition: Good; light spotting on plaid in photo 1, otherwise intact; interior not fully shown so odor\/mold unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.35
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18076,
            "output_tokens": 868,
            "total_tokens": 18944,
            "estimated_cost_usd": 0.009314
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18627,
            "output_tokens": 1449,
            "total_tokens": 20076,
            "estimated_cost_usd": 0.004885
        }
    ]
}