Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.055,
    "vintage_probability": 0.425,
    "authenticity_confidence": 0.055,
    "image_quality_score": 0.73,
    "seller_misidentification_probability": 0.06,
    "confidence": 0.78,
    "recommended_max_bid": 15,
    "estimated_resale_low": 17.5,
    "estimated_resale_high": 45,
    "possible_models": [],
    "positive_evidence": [
        "photo 4: clearly a leather crossbody handbag with a flap and adjustable strap.",
        "photo 1: the bag has a turning-tab closure and leather construction, both broadly compatible with some vintage handbags.",
        "photo 1: stitching appears generally even along the visible flap edge.",
        "photo 4-6: leather flap crossbody handbag silhouette in tan leather with brass-tone hardware - general population where misidentified Coach hides",
        "photo 6: ~11 in wide per tape measure, leather with vintage patina"
    ],
    "negative_evidence": [
        "photo 1: the prominent closure is a chunky silver-tone\/plated-looking turnlock, unlike the elegant solid-brass geometry typical of classic vintage Coach.",
        "photo 1: the flap is extensively hand-painted with a distinctive snake artwork; this is not a recognizable Coach design or construction cue.",
        "photo 4: no COACH wordmark, horse-and-carriage, or leather Coach hangtag is visible.",
        "photo 7: the back has a zippered exterior pocket and no visible Coach identifier.",
        "photo 1: the hardware tone is silver\/brass-like rather than the consistent solid brass expected on many classic Coach turnlock bags.",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or hangtag visible",
        "photo 1-5: closure is small rectangular twist-lock with 4 rivets, chunky\/blocky vs Coach Cashin turnlock geometry",
        "photo 6: exterior back zip pocket with dark-tone zipper; not typical of 1970s-1990s Coach classics",
        "photo 1-5: all-over hand-painted snake\/floral wearable-art finish is custom aftermarket paint, not Coach factory finish",
        "photo 4-5: thin detachable crossbody strap with small lobster-type clips, not Coach dogleash clips or buckle-adjustable classic strap"
    ],
    "missing_information": [
        "photo 1-7: no interior view or interior back wall showing whether a creed patch is present.",
        "photo 1-7: no close-up of the strap attachments, zipper pull, or closure reverse side.",
        "photo 1-7: artist signature is not legible in the supplied photos.",
        "Seller-stated country of manufacture and dimensions are not independently verifiable beyond the ruler photos.",
        "interior views including creed patch \/ back wall \/ slip pocket not shown",
        "close-up of hardware stamps, zipper pull brand, and Made-in line not shown",
        "bottom, corners and side views not shown",
        "hangtag (both faces) not shown - confirm if present"
    ],
    "authenticity_concerns": [
        "The visible construction and oversized plated-looking turnlock are more consistent with an independent hand-painted leather bag than a Coach classic.",
        "No Coach identifier is visible in the supplied exterior photos; the absence of an interior view prevents a complete identifier check.",
        "The unusual painted artwork and hardware do not match a documented Coach model or typical Coach-era construction.",
        "photo 1-5: rectangular twist-lock closure geometry is not Coach turnlock geometry (wide thin oval plate with slim rounded tab)"
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match: the hand-painted snake motif, exterior back zipper, and closure design do not correspond to the listed classic Coach silhouettes.",
        "photo 4: approximate compact crossbody proportions support classification as a handbag but not a specific Coach style.",
        "Condition: Good to Very Good; visible leather has substantial creasing, surface wear, and paint wear, while the bag appears structurally intact. Interior condition and odor are unknown.",
        "No Coach model fits: closure is non-Coach twist-lock, back zip and clip-on strap do not match City Bag (9790), Court (9870), Dinky (9375) or other classics; no creed\/serial to decode",
        "Era cannot be dated to Coach era without identifiers; assessed as non-Coach wearable-art custom",
        "Condition: Very Good to Excellent as painted custom; original leather shows patina and light marks (photo 6), paint is intentional decoration not damage; interior and bottom not shown so grade capped"
    ],
    "estimated_era": "modern (2000s+), non-Coach",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": false,
        "turnlock_present": true,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 1: chunky silver-tone rectangular turning-tab closure with a rounded rectangular plate and visible rivets; photo 4: metal strap rings and clips are visible.",
        "leather_description": "photo 1: brown\/tan leather with substantial wrinkling and a hand-painted multicolor snake design; surface appears soft and worn.",
        "lining_description": "not_visible",
        "strap_construction": "photo 4: long adjustable leather crossbody strap attached with metal rings\/clips; buckle-hole adjustment is visible.",
        "stitching_description": "photo 1: visible perimeter stitching is generally straight and evenly spaced, though close-up construction of all seams is unavailable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0074,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.45,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 4: clearly a leather crossbody handbag with a flap and adjustable strap.",
                    "photo 1: the bag has a turning-tab closure and leather construction, both broadly compatible with some vintage handbags.",
                    "photo 1: stitching appears generally even along the visible flap edge."
                ],
                "negative_evidence": [
                    "photo 1: the prominent closure is a chunky silver-tone\/plated-looking turnlock, unlike the elegant solid-brass geometry typical of classic vintage Coach.",
                    "photo 1: the flap is extensively hand-painted with a distinctive snake artwork; this is not a recognizable Coach design or construction cue.",
                    "photo 4: no COACH wordmark, horse-and-carriage, or leather Coach hangtag is visible.",
                    "photo 7: the back has a zippered exterior pocket and no visible Coach identifier.",
                    "photo 1: the hardware tone is silver\/brass-like rather than the consistent solid brass expected on many classic Coach turnlock bags."
                ],
                "missing_information": [
                    "photo 1-7: no interior view or interior back wall showing whether a creed patch is present.",
                    "photo 1-7: no close-up of the strap attachments, zipper pull, or closure reverse side.",
                    "photo 1-7: artist signature is not legible in the supplied photos.",
                    "Seller-stated country of manufacture and dimensions are not independently verifiable beyond the ruler photos."
                ],
                "authenticity_concerns": [
                    "The visible construction and oversized plated-looking turnlock are more consistent with an independent hand-painted leather bag than a Coach classic.",
                    "No Coach identifier is visible in the supplied exterior photos; the absence of an interior view prevents a complete identifier check.",
                    "The unusual painted artwork and hardware do not match a documented Coach model or typical Coach-era construction."
                ],
                "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": true,
                    "hangtag_present": false,
                    "hardware_description": "photo 1: chunky silver-tone rectangular turning-tab closure with a rounded rectangular plate and visible rivets; photo 4: metal strap rings and clips are visible.",
                    "leather_description": "photo 1: brown\/tan leather with substantial wrinkling and a hand-painted multicolor snake design; surface appears soft and worn.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 4: long adjustable leather crossbody strap attached with metal rings\/clips; buckle-hole adjustment is visible.",
                    "stitching_description": "photo 1: visible perimeter stitching is generally straight and evenly spaced, though close-up construction of all seams is unavailable."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match: the hand-painted snake motif, exterior back zipper, and closure design do not correspond to the listed classic Coach silhouettes.",
                    "photo 4: approximate compact crossbody proportions support classification as a handbag but not a specific Coach style.",
                    "Condition: Good to Very Good; visible leather has substantial creasing, surface wear, and paint wear, while the bag appears structurally intact. Interior condition and odor are unknown."
                ],
                "confidence": 0.91,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-5: rectangular twist-lock closure geometry is not Coach turnlock geometry (wide thin oval plate with slim rounded tab)"
                ],
                "authenticity_confidence": 0.08,
                "coach_probability": 0.08,
                "confidence": 0.65,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 45,
                "estimated_resale_low": 20,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "interior views including creed patch \/ back wall \/ slip pocket not shown",
                    "close-up of hardware stamps, zipper pull brand, and Made-in line not shown",
                    "bottom, corners and side views not shown",
                    "hangtag (both faces) not shown - confirm if present"
                ],
                "negative_evidence": [
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or hangtag visible",
                    "photo 1-5: closure is small rectangular twist-lock with 4 rivets, chunky\/blocky vs Coach Cashin turnlock geometry",
                    "photo 6: exterior back zip pocket with dark-tone zipper; not typical of 1970s-1990s Coach classics",
                    "photo 1-5: all-over hand-painted snake\/floral wearable-art finish is custom aftermarket paint, not Coach factory finish",
                    "photo 4-5: thin detachable crossbody strap with small lobster-type clips, not Coach dogleash clips or buckle-adjustable classic strap"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone rectangular twist-lock with 4 rivets on flap (photo 1-3); dark-tone back zipper (photo 6); dark-tone rings and lobster-type strap clips (photo 4-6); tone and geometry not consistent with vintage Coach solid-brass turnlock and dogleash hardware",
                    "leather_description": "tan \/ British-tan-like smooth leather with grain and patina, soft appearance; front flap heavily hand-painted with pink snake and blue floral motifs (photo 1-5)",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even edge stitching around flap visible in photo 1-3, thread matched to tan leather; no further detail visible",
                    "strap_construction": "thin flat tan leather crossbody strap, detachable via metal clips at sides (photo 4, photo 6); buckle adjustment visible in photo 4",
                    "turnlock_present": true
                },
                "positive_evidence": [
                    "photo 4-6: leather flap crossbody handbag silhouette in tan leather with brass-tone hardware - general population where misidentified Coach hides",
                    "photo 6: ~11 in wide per tape measure, leather with vintage patina"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: closure is non-Coach twist-lock, back zip and clip-on strap do not match City Bag (9790), Court (9870), Dinky (9375) or other classics; no creed\/serial to decode",
                    "Era cannot be dated to Coach era without identifiers; assessed as non-Coach wearable-art custom",
                    "Condition: Very Good to Excellent as painted custom; original leather shows patina and light marks (photo 6), paint is intentional decoration not damage; interior and bottom not shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.08,
                "vintage_probability": 0.4
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18284,
            "output_tokens": 866,
            "total_tokens": 19150,
            "estimated_cost_usd": 0.009392
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18844,
            "output_tokens": 1590,
            "total_tokens": 20434,
            "estimated_cost_usd": 0.005041
        }
    ]
}