Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.55,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.74,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.795,
    "recommended_max_bid": 11.5,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 37.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: leather handbag with a flap-front rectangular silhouette and shoulder chain.",
        "photo 5: leather-lined interior with a zippered pocket is clearly visible.",
        "photo 1, photo 3, photo 6: leather handbag of clutch \/ shoulder-bag form that warrants triage as possible misidentified vintage"
    ],
    "negative_evidence": [
        "photo 1: the bag has a prominent hand-painted fashion illustration rather than a recognizable vintage Coach design or construction cue.",
        "photo 2: no legible COACH wordmark, horse-and-carriage, or creed patch is visible.",
        "photo 3: the reverse is plain and shows no Coach branding or identifier.",
        "photo 5: the interior appears fabric\/leatherette-lined, unlike many classic unlined glove-tanned Coach handbags.",
        "photo 1: a fine chain strap and painted exterior are not characteristic evidence of a classic Coach model.",
        "photo 1, photo 4: large hand-painted figural artwork with artist signature on flap - never a Coach factory finish",
        "photo 1, photo 3, photo 4: thin gold-tone chain shoulder strap - not Coach solid-brass buckle-adjustable strap or dogleash clips",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
        "photo 5: dark lined interior with inset zip pocket - not unlined suede-back glove-tanned classic construction",
        "photo 1, photo 3: envelope\/clutch silhouette with no turnlock - does not match catalog turnlock classics"
    ],
    "missing_information": [
        "photo 5: no interior creed patch or fabric identification tag is visible; request a complete view of every interior wall and pocket.",
        "Request close-ups of the chain attachments, zipper pull, closure, bottom, and all interior labels.",
        "Seller-stated maker or artist attribution is not provided.",
        "photo 5: interior back wall \/ slip pocket where creed would sit not clearly shown - no creed patch visible",
        "photo 5: zipper pull brand stamp not legible",
        "no front hardware \/ closure detail showing how flap secures",
        "no hangtag views (both faces) if present",
        "no bottom and corner close-ups beyond photo 2 and photo 6"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible, and the illustrated design, chain strap, and lined construction are more consistent with an unbranded or artisan vintage purse than a Coach handbag.",
        "The small marking at the lower-right of the artwork in photo 2 appears to be an artist signature, but it is not legible enough to identify."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match from the visible evidence. The rectangular flap and chain strap are generic features shared by many vintage evening and artisan handbags.",
        "The seller-stated dimensions are approximately 11.5 x 7 inches, but no Coach style number or era-specific identifier is shown.",
        "Condition appears Good to Very Good: visible edge wear, creasing, and surface scratches in photos 1, 2, and 6; the interior appears intact in photo 5, though odor and hidden damage are unknown.",
        "no Coach model fits: hand-painted art flap, chain strap, lined interior and lack of turnlock\/creed\/wordmark are inconsistent with any Classic glove-tanned catalog style (City Bag 9790, Dinky 9375, Convertible Clutch 9635, etc.)",
        "Condition: Very Good to Good; seller states interior\/exterior great with edge wear pictured; photo 2 shows corner rubbing, photo 6 shows side wear; interior marks not fully assessable"
    ],
    "estimated_era": "unknown",
    "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 and photo 3: thin gold-tone chain shoulder strap; no Coach-branded hardware is visible.",
        "leather_description": "photo 1 and photo 2: brown leather or leather-like exterior with visible creasing, surface scratches, and a hand-painted appliqu\u00e9\/illustration.",
        "lining_description": "photo 5: dark smooth lining with an interior zippered pocket; material and brand label are not identifiable.",
        "strap_construction": "photo 1 and photo 3: narrow chain strap attached at the upper sides; strap drop is seller-stated as 12 inches.",
        "stitching_description": "photo 2 and photo 6: visible perimeter stitching appears generally even, with some edge wear; detailed construction is not fully assessable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0024,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.55,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: leather handbag with a flap-front rectangular silhouette and shoulder chain.",
                    "photo 5: leather-lined interior with a zippered pocket is clearly visible."
                ],
                "negative_evidence": [
                    "photo 1: the bag has a prominent hand-painted fashion illustration rather than a recognizable vintage Coach design or construction cue.",
                    "photo 2: no legible COACH wordmark, horse-and-carriage, or creed patch is visible.",
                    "photo 3: the reverse is plain and shows no Coach branding or identifier.",
                    "photo 5: the interior appears fabric\/leatherette-lined, unlike many classic unlined glove-tanned Coach handbags.",
                    "photo 1: a fine chain strap and painted exterior are not characteristic evidence of a classic Coach model."
                ],
                "missing_information": [
                    "photo 5: no interior creed patch or fabric identification tag is visible; request a complete view of every interior wall and pocket.",
                    "Request close-ups of the chain attachments, zipper pull, closure, bottom, and all interior labels.",
                    "Seller-stated maker or artist attribution is not provided."
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible, and the illustrated design, chain strap, and lined construction are more consistent with an unbranded or artisan vintage purse than a Coach handbag.",
                    "The small marking at the lower-right of the artwork in photo 2 appears to be an artist signature, but it is not legible enough to identify."
                ],
                "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 and photo 3: thin gold-tone chain shoulder strap; no Coach-branded hardware is visible.",
                    "leather_description": "photo 1 and photo 2: brown leather or leather-like exterior with visible creasing, surface scratches, and a hand-painted appliqu\u00e9\/illustration.",
                    "lining_description": "photo 5: dark smooth lining with an interior zippered pocket; material and brand label are not identifiable.",
                    "strap_construction": "photo 1 and photo 3: narrow chain strap attached at the upper sides; strap drop is seller-stated as 12 inches.",
                    "stitching_description": "photo 2 and photo 6: visible perimeter stitching appears generally even, with some edge wear; detailed construction is not fully assessable."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match from the visible evidence. The rectangular flap and chain strap are generic features shared by many vintage evening and artisan handbags.",
                    "The seller-stated dimensions are approximately 11.5 x 7 inches, but no Coach style number or era-specific identifier is shown.",
                    "Condition appears Good to Very Good: visible edge wear, creasing, and surface scratches in photos 1, 2, and 6; the interior appears intact in photo 5, though odor and hidden damage are unknown."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 50
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.75,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.62,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo 5: interior back wall \/ slip pocket where creed would sit not clearly shown - no creed patch visible",
                    "photo 5: zipper pull brand stamp not legible",
                    "no front hardware \/ closure detail showing how flap secures",
                    "no hangtag views (both faces) if present",
                    "no bottom and corner close-ups beyond photo 2 and photo 6"
                ],
                "negative_evidence": [
                    "photo 1, photo 4: large hand-painted figural artwork with artist signature on flap - never a Coach factory finish",
                    "photo 1, photo 3, photo 4: thin gold-tone chain shoulder strap - not Coach solid-brass buckle-adjustable strap or dogleash clips",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
                    "photo 5: dark lined interior with inset zip pocket - not unlined suede-back glove-tanned classic construction",
                    "photo 1, photo 3: envelope\/clutch silhouette with no turnlock - does not match catalog turnlock classics"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "thin gold-tone curb chain shoulder strap; small brass-tone zipper with illegible pull stamp in photo 5; no turnlock visible",
                    "leather_description": "photo 1-4, photo 6: smooth tan \/ cognac leather with hand-painted decoration of woman in green hat and yellow dress on flap, artist signature lower right of flap; edge wear at corners",
                    "lining_description": "photo 5: dark brown smooth lining, appears coated or leather-look, with long inset zip pocket along wall; no suede raw side visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 2: light-colored edge stitching along flap perimeter, even but not clearly matched-tone Coach construction; detail limited",
                    "strap_construction": "thin metal chain, non-adjustable, attached at side seams; 12in drop per seller; not Coach leather strap with brass slides or dogleash clips",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1, photo 3, photo 6: leather handbag of clutch \/ shoulder-bag form that warrants triage as possible misidentified vintage"
                ],
                "possible_model_reasoning": [
                    "no Coach model fits: hand-painted art flap, chain strap, lined interior and lack of turnlock\/creed\/wordmark are inconsistent with any Classic glove-tanned catalog style (City Bag 9790, Dinky 9375, Convertible Clutch 9635, etc.)",
                    "Condition: Very Good to Good; seller states interior\/exterior great with edge wear pictured; photo 2 shows corner rubbing, photo 6 shows side wear; interior marks not fully assessable"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.55
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18126,
            "output_tokens": 868,
            "total_tokens": 18994,
            "estimated_cost_usd": 0.009334
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18677,
            "output_tokens": 1231,
            "total_tokens": 19908,
            "estimated_cost_usd": 0.00472
        }
    ]
}