Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.3,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.8,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.865,
    "recommended_max_bid": 9,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a small leather-look crossbody handbag with a flap and long shoulder strap.",
        "photo 3: Flap closure and compact rounded silhouette are broadly compatible with many vintage handbags, but are not Coach-specific.",
        "photo 1: small leather flap crossbody handbag shape that is broadly common in vintage period, but with no Coach-specific identifiers"
    ],
    "negative_evidence": [
        "photo 1: Exterior appears to be glossy embossed reptile\/lizard-pattern material rather than identifiable glove-tanned Coach leather.",
        "photo 2: Closure is a simple snap\/magnetic-style closure, not a visible vintage Coach turnlock.",
        "photo 3: No Coach wordmark, horse-and-carriage, creed patch, or hangtag is visible.",
        "photo 4: Interior is black synthetic\/vinyl-looking lining with a zippered pocket, which does not support a classic unlined vintage Coach construction.",
        "photo 5: Hardware is plain silver-tone snap hardware and no Coach-specific markings are visible.",
        "listing description: Seller states there is no manufacturer tag and describes a vinyl interior; this supports an unbranded or non-Coach identification.",
        "photo 1: tan lizard\/reptile-embossed leather finish, not smooth glove-tanned cowhide",
        "photo 3: magnetic snap closure, no turnlock of any geometry present",
        "photo 3: silver\/nickel-tone hardware, not solid brass",
        "photo 5: dark brown vinyl\/synthetic lining with zipper pocket, not unlined suede",
        "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
        "photo 1-2: thin fixed crossbody strap with no brass buckle or dogleash clips"
    ],
    "missing_information": [
        "photo 6: Straight-on view of the entire interior back wall and all pockets to confirm there is no hidden brand label or creed patch.",
        "photo 7: Close-ups of any zipper pull, snap backs, strap attachments, and interior seams for maker markings and construction assessment.",
        "photo 8: Bottom, corners, and strap fold details to assess condition and material wear.",
        "Seller clarification: Confirm whether the exterior is genuine reptile leather, embossed leather, coated material, or synthetic\/vinyl.",
        "photo 5: interior fully shown with no creed patch visible - no further creed photo needed but confirms absence",
        "photo 4: close-up of magnetic snap shows no COACH engraving",
        "no hangtag or wordmark visible in any photo"
    ],
    "authenticity_concerns": [
        "photo 1: Reptile-pattern glossy material, plain snap closure, and generic silhouette provide no Coach-specific evidence.",
        "photo 4: Synthetic-looking lining is inconsistent with many classic unlined glove-tanned Coach crossbody styles.",
        "photo 5: Plain silver-tone snap hardware lacks the brass turnlock or other identifiable Coach construction cues.",
        "photo 3: silver-tone magnetic snap closure inconsistent with vintage Coach solid-brass turnlock construction",
        "photo 5: vinyl\/synthetic lining inconsistent with unlined glove-tanned interior expected on vintage Coach classics"
    ],
    "possible_model_reasoning": [
        "The rounded flap crossbody silhouette is generic and does not closely establish a Coach model; no Coach model is proposed.",
        "The seller-stated approximately 9 x 9 x 2 inch size is compatible with many unbranded small crossbody bags but does not identify Coach.",
        "Condition appears Good to Very Good visually: photos 1 and 5 show surface wear, discoloration, and edge\/corner rubbing; the interior is visible but odor and hidden damage are unknown.",
        "No Coach model fits: silhouette is a simple magnetic-snap flap crossbody with lizard embossing, vinyl lining and nickel hardware, inconsistent with City Bag (9790), Dinky (9375), Pocket Purse (9755) or other glove-tanned brass-turnlock unlined classics",
        "Serial decode: none - no number visible",
        "Era reasoning: construction with synthetic lining and magnetic nickel hardware points to modern (2000s+) non-Coach manufacture, not any Coach creed era",
        "Condition: Very Good to Like New; exterior shows light wear and sheen variation (photo 4) but no corner wear-through shown; interior looks clean (photo 5); seller claims Mint but bottom corners and strap fold not fully documented"
    ],
    "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 3: Plain silver-tone circular snap closures are visible; no turnlock, engraved branding, or other distinctive Coach hardware is visible.",
        "leather_description": "photo 1: Brown\/tan glossy material with an embossed reptile or lizard-like pattern; exact material cannot be determined from photos.",
        "lining_description": "photo 4: Black synthetic\/vinyl-looking lining with an interior zippered pocket.",
        "strap_construction": "photo 1: Narrow, adjustable-looking shoulder strap attached at the upper sides; buckle and attachment details are not clearly shown.",
        "stitching_description": "photos 1-5: Visible perimeter stitching appears generally even, though detailed stitch quality and stress-point construction are not fully assessable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0018,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.25,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.9,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a small leather-look crossbody handbag with a flap and long shoulder strap.",
                    "photo 3: Flap closure and compact rounded silhouette are broadly compatible with many vintage handbags, but are not Coach-specific."
                ],
                "negative_evidence": [
                    "photo 1: Exterior appears to be glossy embossed reptile\/lizard-pattern material rather than identifiable glove-tanned Coach leather.",
                    "photo 2: Closure is a simple snap\/magnetic-style closure, not a visible vintage Coach turnlock.",
                    "photo 3: No Coach wordmark, horse-and-carriage, creed patch, or hangtag is visible.",
                    "photo 4: Interior is black synthetic\/vinyl-looking lining with a zippered pocket, which does not support a classic unlined vintage Coach construction.",
                    "photo 5: Hardware is plain silver-tone snap hardware and no Coach-specific markings are visible.",
                    "listing description: Seller states there is no manufacturer tag and describes a vinyl interior; this supports an unbranded or non-Coach identification."
                ],
                "missing_information": [
                    "photo 6: Straight-on view of the entire interior back wall and all pockets to confirm there is no hidden brand label or creed patch.",
                    "photo 7: Close-ups of any zipper pull, snap backs, strap attachments, and interior seams for maker markings and construction assessment.",
                    "photo 8: Bottom, corners, and strap fold details to assess condition and material wear.",
                    "Seller clarification: Confirm whether the exterior is genuine reptile leather, embossed leather, coated material, or synthetic\/vinyl."
                ],
                "authenticity_concerns": [
                    "photo 1: Reptile-pattern glossy material, plain snap closure, and generic silhouette provide no Coach-specific evidence.",
                    "photo 4: Synthetic-looking lining is inconsistent with many classic unlined glove-tanned Coach crossbody styles.",
                    "photo 5: Plain silver-tone snap hardware lacks the brass turnlock or other identifiable Coach construction cues."
                ],
                "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 3: Plain silver-tone circular snap closures are visible; no turnlock, engraved branding, or other distinctive Coach hardware is visible.",
                    "leather_description": "photo 1: Brown\/tan glossy material with an embossed reptile or lizard-like pattern; exact material cannot be determined from photos.",
                    "lining_description": "photo 4: Black synthetic\/vinyl-looking lining with an interior zippered pocket.",
                    "strap_construction": "photo 1: Narrow, adjustable-looking shoulder strap attached at the upper sides; buckle and attachment details are not clearly shown.",
                    "stitching_description": "photos 1-5: Visible perimeter stitching appears generally even, though detailed stitch quality and stress-point construction are not fully assessable."
                },
                "possible_model_reasoning": [
                    "The rounded flap crossbody silhouette is generic and does not closely establish a Coach model; no Coach model is proposed.",
                    "The seller-stated approximately 9 x 9 x 2 inch size is compatible with many unbranded small crossbody bags but does not identify Coach.",
                    "Condition appears Good to Very Good visually: photos 1 and 5 show surface wear, discoloration, and edge\/corner rubbing; the interior is visible but odor and hidden damage are unknown."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 3: silver-tone magnetic snap closure inconsistent with vintage Coach solid-brass turnlock construction",
                    "photo 5: vinyl\/synthetic lining inconsistent with unlined glove-tanned interior expected on vintage Coach classics"
                ],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 5: interior fully shown with no creed patch visible - no further creed photo needed but confirms absence",
                    "photo 4: close-up of magnetic snap shows no COACH engraving",
                    "no hangtag or wordmark visible in any photo"
                ],
                "negative_evidence": [
                    "photo 1: tan lizard\/reptile-embossed leather finish, not smooth glove-tanned cowhide",
                    "photo 3: magnetic snap closure, no turnlock of any geometry present",
                    "photo 3: silver\/nickel-tone hardware, not solid brass",
                    "photo 5: dark brown vinyl\/synthetic lining with zipper pocket, not unlined suede",
                    "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
                    "photo 1-2: thin fixed crossbody strap with no brass buckle or dogleash clips"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone magnetic snap, one half on flap underside and one on body front; no brass turnlock, no buckles, no dogleash clips; zipper slider in interior pocket plastic-appearing, brand not visible",
                    "leather_description": "tan\/caramel lizard or reptile-embossed leather with glossy finish, rounded U-shaped flap crossbody body",
                    "lining_description": "dark brown vinyl\/synthetic lining on flap underside and interior, with interior zipper side pocket",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-matched edge stitching around flap and body, visible in photo 1 and photo 3; no irregularities noted",
                    "strap_construction": "thin flat fixed-length crossbody strap in same embossed leather, sewn directly to body sides with small loops, no buckle adjustment or detachable clips visible",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: small leather flap crossbody handbag shape that is broadly common in vintage period, but with no Coach-specific identifiers"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: silhouette is a simple magnetic-snap flap crossbody with lizard embossing, vinyl lining and nickel hardware, inconsistent with City Bag (9790), Dinky (9375), Pocket Purse (9755) or other glove-tanned brass-turnlock unlined classics",
                    "Serial decode: none - no number visible",
                    "Era reasoning: construction with synthetic lining and magnetic nickel hardware points to modern (2000s+) non-Coach manufacture, not any Coach creed era",
                    "Condition: Very Good to Like New; exterior shows light wear and sheen variation (photo 4) but no corner wear-through shown; interior looks clean (photo 5); seller claims Mint but bottom corners and strap fold not fully documented"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.35
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17302,
            "output_tokens": 904,
            "total_tokens": 18206,
            "estimated_cost_usd": 0.00909
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17629,
            "output_tokens": 1440,
            "total_tokens": 19069,
            "estimated_cost_usd": 0.004678
        }
    ]
}