Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.025,
    "vintage_probability": 0.675,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.665,
    "seller_misidentification_probability": 0.075,
    "confidence": 0.845,
    "recommended_max_bid": 15,
    "estimated_resale_low": 15,
    "estimated_resale_high": 47.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: A compact structured handbag or clutch is clearly visible.",
        "photo 2: The bag has a vintage-looking exotic-skin pattern and a small strap.",
        "photo 4: The frame closure and rounded metal clasp are visible."
    ],
    "negative_evidence": [
        "photo 1: The exterior appears to be lizard or lizard-embossed skin, not Coach's typical glove-tanned cowhide.",
        "photo 2: The hardware is bright silver-tone and ornate, unlike the solid brass hardware typical of many vintage Coach classics.",
        "photo 4: The bag has a metal box frame with a decorative double-ball clasp rather than a recognizable Coach turnlock.",
        "photo 4: A black fabric-lined interior is visible; no Coach creed or wordmark is shown.",
        "photo 5: The visible zipper pull and lining do not show a legible Coach identifier.",
        "photo 1: No Coach hangtag, horse-and-carriage mark, or other brand identifier is visible.",
        "photo 1-3: boxed kisslock clutch silhouette with ball-clasp and short top handles matches no Coach catalog style in \u00a74",
        "photo 4: silver-tone kisslock frame with rust\/tarnish, not solid brass turnlock\/dogleash hardware expected for vintage Coach classics",
        "photo 4-5: black fabric lining with interior zip pocket, not unlined suede-back glove-tanned leather of vintage Coach classics",
        "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible in any view",
        "photo 1-3: lizard-skin \/ lizard-embossed exotic finish, not glove-tanned cowhide signature"
    ],
    "missing_information": [
        "A straight-on photo of the entire interior, including all pockets and seams, to confirm whether any label or creed is present.",
        "Close-up photos of the exterior, clasp, zipper pull, and any interior label or stamp.",
        "Photos of the bottom, side seams, and strap attachment points.",
        "Seller-stated material confirmation: genuine lizard skin versus embossed or synthetic material.",
        "photo 4-5: interior fully emptied views to check for creed patch, brand label or fabric tags not shown",
        "photo 1-3: front\/back without tape measure and close-up of exterior material to confirm genuine lizard vs embossed",
        "photo 4: hardware brand stamps on frame and zipper pull not legible"
    ],
    "authenticity_concerns": [
        "The visible construction is inconsistent with the most recognizable vintage Coach handbag construction: exotic-looking embossed material, silver-tone frame hardware, and a decorative clasp rather than a classic Coach turnlock.",
        "No Coach identifier is visible in the supplied photos, so Coach manufacture cannot be supported."
    ],
    "possible_model_reasoning": [
        "The structured frame silhouette and decorative clasp are more consistent with a generic vintage exotic-skin box purse than with a catalogued vintage Coach model.",
        "No Coach style number, creed, wordmark, or hangtag is visible; therefore no Coach model can be proposed.",
        "Condition: seller describes the bag as very good; photos show generally intact exterior and strap, but visible frame tarnish\/discoloration and incomplete views prevent a higher-confidence grade.",
        "No Coach identifiers visible to decode; construction (kisslock frame, silver-tone mixed hardware, fabric lining, exotic skin) inconsistent with 1970s-1990s Coach classics which use solid brass turnlock, unlined glove-tanned leather",
        "Silhouette is a boxed kisslock purse ~8 in wide x ~4 in tall per tape in photos 1-3, no match to City Bag (9790), Willis (9927), Court (9870), Dinky (9375) or Cashin kisslock clutches in detail\/hardware",
        "Condition: Good to Very Good for exotic exterior (photos 1-3 show intact scales, minor edge wear) but frame shows rust\/tarnish (photo 4) and interior zip tape shows fraying (photo 5); interior stains\/odor 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": "Photos 2 and 4 show bright silver-tone frame hardware, rounded metal clasp elements, and silver-tone strap rings; no Coach engraving is visible.",
        "leather_description": "Photos 1-3 show a reddish-brown reptile-pattern exterior, described by the seller as lizard skin; the photos cannot establish whether it is genuine lizard or embossed leather\/synthetic material.",
        "lining_description": "Photo 4 shows a black fabric-lined interior with an interior zippered compartment; no label is visible.",
        "strap_construction": "Photos 2-4 show a narrow matching reptile-pattern strap attached through metal rings; the strap has visible fold and attachment hardware.",
        "stitching_description": "Photos 1-4 show perimeter and strap stitching, but resolution and angle do not permit a detailed assessment of stitch quality."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.003,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.75,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.12,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: A compact structured handbag or clutch is clearly visible.",
                    "photo 2: The bag has a vintage-looking exotic-skin pattern and a small strap.",
                    "photo 4: The frame closure and rounded metal clasp are visible."
                ],
                "negative_evidence": [
                    "photo 1: The exterior appears to be lizard or lizard-embossed skin, not Coach's typical glove-tanned cowhide.",
                    "photo 2: The hardware is bright silver-tone and ornate, unlike the solid brass hardware typical of many vintage Coach classics.",
                    "photo 4: The bag has a metal box frame with a decorative double-ball clasp rather than a recognizable Coach turnlock.",
                    "photo 4: A black fabric-lined interior is visible; no Coach creed or wordmark is shown.",
                    "photo 5: The visible zipper pull and lining do not show a legible Coach identifier.",
                    "photo 1: No Coach hangtag, horse-and-carriage mark, or other brand identifier is visible."
                ],
                "missing_information": [
                    "A straight-on photo of the entire interior, including all pockets and seams, to confirm whether any label or creed is present.",
                    "Close-up photos of the exterior, clasp, zipper pull, and any interior label or stamp.",
                    "Photos of the bottom, side seams, and strap attachment points.",
                    "Seller-stated material confirmation: genuine lizard skin versus embossed or synthetic material."
                ],
                "authenticity_concerns": [
                    "The visible construction is inconsistent with the most recognizable vintage Coach handbag construction: exotic-looking embossed material, silver-tone frame hardware, and a decorative clasp rather than a classic Coach turnlock.",
                    "No Coach identifier is visible in the supplied photos, so Coach manufacture cannot be supported."
                ],
                "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": "Photos 2 and 4 show bright silver-tone frame hardware, rounded metal clasp elements, and silver-tone strap rings; no Coach engraving is visible.",
                    "leather_description": "Photos 1-3 show a reddish-brown reptile-pattern exterior, described by the seller as lizard skin; the photos cannot establish whether it is genuine lizard or embossed leather\/synthetic material.",
                    "lining_description": "Photo 4 shows a black fabric-lined interior with an interior zippered compartment; no label is visible.",
                    "strap_construction": "Photos 2-4 show a narrow matching reptile-pattern strap attached through metal rings; the strap has visible fold and attachment hardware.",
                    "stitching_description": "Photos 1-4 show perimeter and strap stitching, but resolution and angle do not permit a detailed assessment of stitch quality."
                },
                "possible_model_reasoning": [
                    "The structured frame silhouette and decorative clasp are more consistent with a generic vintage exotic-skin box purse than with a catalogued vintage Coach model.",
                    "No Coach style number, creed, wordmark, or hangtag is visible; therefore no Coach model can be proposed.",
                    "Condition: seller describes the bag as very good; photos show generally intact exterior and strap, but visible frame tarnish\/discoloration and incomplete views prevent a higher-confidence grade."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 20,
                "estimated_resale_low": 25,
                "estimated_resale_high": 70
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo 4-5: interior fully emptied views to check for creed patch, brand label or fabric tags not shown",
                    "photo 1-3: front\/back without tape measure and close-up of exterior material to confirm genuine lizard vs embossed",
                    "photo 4: hardware brand stamps on frame and zipper pull not legible"
                ],
                "negative_evidence": [
                    "photo 1-3: boxed kisslock clutch silhouette with ball-clasp and short top handles matches no Coach catalog style in \u00a74",
                    "photo 4: silver-tone kisslock frame with rust\/tarnish, not solid brass turnlock\/dogleash hardware expected for vintage Coach classics",
                    "photo 4-5: black fabric lining with interior zip pocket, not unlined suede-back glove-tanned leather of vintage Coach classics",
                    "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible in any view",
                    "photo 1-3: lizard-skin \/ lizard-embossed exotic finish, not glove-tanned cowhide signature"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone kisslock ball-clasp frame with visible rust\/tarnish and pitting in photo 4; top-handle anchor rings silver-tone; interior zipper with brass-tone unbranded pull in photo 4",
                    "leather_description": "reddish-brown lizard skin or lizard-embossed skin with small rectangular scale pattern visible in photos 1-3; glossy exotic finish, not glove-tanned cowhide",
                    "lining_description": "black fabric lining visible in photos 4-5 with interior zip pocket; not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - stitching not legible under tape measure and distance; handle edge stitching faintly visible in photo 4",
                    "strap_construction": "two short rigid top handles in matching lizard material attached via metal rings to frame in photos 2-4; no detachable crossbody strap, no buckle adjustment, no dogleash clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifiers visible to decode; construction (kisslock frame, silver-tone mixed hardware, fabric lining, exotic skin) inconsistent with 1970s-1990s Coach classics which use solid brass turnlock, unlined glove-tanned leather",
                    "Silhouette is a boxed kisslock purse ~8 in wide x ~4 in tall per tape in photos 1-3, no match to City Bag (9790), Willis (9927), Court (9870), Dinky (9375) or Cashin kisslock clutches in detail\/hardware",
                    "Condition: Good to Very Good for exotic exterior (photos 1-3 show intact scales, minor edge wear) but frame shows rust\/tarnish (photo 4) and interior zip tape shows fraying (photo 5); interior stains\/odor unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.6
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17585,
            "output_tokens": 848,
            "total_tokens": 18433,
            "estimated_cost_usd": 0.009069
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18090,
            "output_tokens": 1411,
            "total_tokens": 19501,
            "estimated_cost_usd": 0.004747
        }
    ]
}