Vintage Coach Hunter

{
    "is_handbag_probability": 0.97,
    "coach_probability": 0.385,
    "vintage_probability": 0.63,
    "authenticity_confidence": 0.3,
    "image_quality_score": 0.525,
    "seller_misidentification_probability": 0.385,
    "confidence": 0.515,
    "recommended_max_bid": 17,
    "estimated_resale_low": 21.5,
    "estimated_resale_high": 57.5,
    "possible_models": [
        "Basic Bag (9455)",
        "Pocket Purse (9755)"
    ],
    "positive_evidence": [
        "photo 1: Black leather crossbody handbag with gold-tone strap hardware is compatible with some vintage Coach construction.",
        "photo 3: Interior appears dark and possibly suede-like, which can occur in older leather handbags.",
        "photo 4: Leather body, rounded rectangular profile, and visible wear suggest a pre-owned leather handbag rather than a synthetic fashion bag.",
        "photo 1-2,5: black smooth glove-tanned-look leather flap\/body with even matched stitching",
        "photo 1: solid brass-tone buckle-adjustable strap construction typical of vintage classics",
        "photo 3: dark unlined-look interior with brass zip, seller states raw suede lining",
        "photo 1-2,5: silhouette and seller-stated dimensions 9.5x7x3.5 in match vintage Coach crossbody proportions"
    ],
    "negative_evidence": [
        "photo 1: No legible COACH wordmark, horse-and-carriage, hangtag, or creed patch is visible.",
        "photo 2: Front flap has no visible Coach-style turnlock or other recognizable Coach closure.",
        "photo 1: Strap attachments and gold-tone fittings appear generic; the visible hardware does not establish Coach manufacture.",
        "photo 5: Body construction and piping are generic and do not clearly match a specific Coach catalog silhouette.",
        "listing description: Seller explicitly states that this is not a Coach bag; this is weak contextual evidence, not proof.",
        "photo 1-5: no creed patch, COACH wordmark, horse-and-carriage or hangtag visible",
        "photo 1-2,4-5: no turnlock visible; closure type unclear from photos",
        "photo 3: interior view dark and out of focus, creed and lining construction cannot be verified",
        "photo 4: seller-stated minor tear at side and surface marks\/scratches visible"
    ],
    "missing_information": [
        "Straight-on photograph of the entire interior, including the back wall and every slip pocket, to check for a sewn creed patch.",
        "Close-up photograph of any interior leather or fabric label and all zipper pulls.",
        "Clear photographs of the front closure, strap clips, buckle, bottom, corners, and stitching.",
        "Seller-stated material confirmation and any visible maker markings not captured in the current photos.",
        "photo 1-5: creed patch not shown - need straight-on creed in raking light filling frame",
        "photo 3: interior too dark\/blurry - need emptied interior wall, slip pocket and zipper pull brand stamp",
        "photo 1-5: no COACH wordmark, hangtag or turnlock visible - need hangtag both faces, front closure view",
        "photo 4-5: bottom\/side views overexposed with glare - need all four corners and bottom in even light",
        "photo 1: strap detail incomplete - need full length, buckle holes, fold point and clip ends"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible, so Coach manufacture cannot be supported beyond general leather-bag construction.",
        "The silhouette and fittings are compatible with an unbranded or lookalike leather crossbody; no specific Coach model match is apparent.",
        "Interior photography is too dark to determine whether a creed or maker label is present."
    ],
    "possible_model_reasoning": [
        "No Coach model is listed because the bag lacks a visible identifier and its flapless\/generic rounded crossbody silhouette does not confidently match the catalog models.",
        "The seller-stated approximately 9.5 by 7 by 3.5 inches and 20-inch drop are not independently verified in the photos.",
        "Condition: Good to Fair; substantial creasing and surface wear are visible, and the seller reports a minor side tear and mark\/scratches. Interior and odor condition remain unknown.",
        "Dimensions 9.5x7x3.5 in seller-stated match Basic Bag (9455) 9.5x7x3.5 zip-top double-strap; photo shows long crossbody strap and zip interior (photo 3) but front closure not clearly shown, fit uncertain",
        "Pocket Purse (9755) 9.5x6.5x2 small flap crossbody is close in footprint but stated depth 3.5 in is deeper, less likely",
        "No creed\/serial visible so era cannot be decoded; unlined-look leather + solid brass-tone hardware suggests NYC\/US era construction if Coach, but unconfirmed - era unknown",
        "Condition: Good to Very Good with issues; seller notes minor tear at side, marks, scratches, creasing; photo 2 shows surface scratches\/creasing, photo 4 shows scuffs\/glare; interior and bottom not gradable from photos so capped"
    ],
    "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": "Gold-tone strap attachment hardware is visible in photo 1; no branded engraving is legible. Closure hardware is not clearly shown.",
        "leather_description": "Black leather-looking exterior with substantial creasing, surface scratches, and wear visible in photos 2, 4, and 5.",
        "lining_description": "Interior is very dark in photo 3; seller states raw suede lining, but this is not clearly verifiable from the image.",
        "strap_construction": "Long black adjustable-looking shoulder strap with stitched edges and gold-tone attachment fittings visible in photo 1; buckle and full adjustment details are not shown.",
        "stitching_description": "Visible perimeter and panel stitching appears generally straight, though close-up resolution is insufficient for detailed assessment."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0155,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.22,
                "vintage_probability": 0.61,
                "authenticity_confidence": 0.18,
                "image_quality_score": 0.67,
                "seller_misidentification_probability": 0.22,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Black leather crossbody handbag with gold-tone strap hardware is compatible with some vintage Coach construction.",
                    "photo 3: Interior appears dark and possibly suede-like, which can occur in older leather handbags.",
                    "photo 4: Leather body, rounded rectangular profile, and visible wear suggest a pre-owned leather handbag rather than a synthetic fashion bag."
                ],
                "negative_evidence": [
                    "photo 1: No legible COACH wordmark, horse-and-carriage, hangtag, or creed patch is visible.",
                    "photo 2: Front flap has no visible Coach-style turnlock or other recognizable Coach closure.",
                    "photo 1: Strap attachments and gold-tone fittings appear generic; the visible hardware does not establish Coach manufacture.",
                    "photo 5: Body construction and piping are generic and do not clearly match a specific Coach catalog silhouette.",
                    "listing description: Seller explicitly states that this is not a Coach bag; this is weak contextual evidence, not proof."
                ],
                "missing_information": [
                    "Straight-on photograph of the entire interior, including the back wall and every slip pocket, to check for a sewn creed patch.",
                    "Close-up photograph of any interior leather or fabric label and all zipper pulls.",
                    "Clear photographs of the front closure, strap clips, buckle, bottom, corners, and stitching.",
                    "Seller-stated material confirmation and any visible maker markings not captured in the current photos."
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible, so Coach manufacture cannot be supported beyond general leather-bag construction.",
                    "The silhouette and fittings are compatible with an unbranded or lookalike leather crossbody; no specific Coach model match is apparent.",
                    "Interior photography is too dark to determine whether a creed or maker label is present."
                ],
                "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": "Gold-tone strap attachment hardware is visible in photo 1; no branded engraving is legible. Closure hardware is not clearly shown.",
                    "leather_description": "Black leather-looking exterior with substantial creasing, surface scratches, and wear visible in photos 2, 4, and 5.",
                    "lining_description": "Interior is very dark in photo 3; seller states raw suede lining, but this is not clearly verifiable from the image.",
                    "strap_construction": "Long black adjustable-looking shoulder strap with stitched edges and gold-tone attachment fittings visible in photo 1; buckle and full adjustment details are not shown.",
                    "stitching_description": "Visible perimeter and panel stitching appears generally straight, though close-up resolution is insufficient for detailed assessment."
                },
                "possible_model_reasoning": [
                    "No Coach model is listed because the bag lacks a visible identifier and its flapless\/generic rounded crossbody silhouette does not confidently match the catalog models.",
                    "The seller-stated approximately 9.5 by 7 by 3.5 inches and 20-inch drop are not independently verified in the photos.",
                    "Condition: Good to Fair; substantial creasing and surface wear are visible, and the seller reports a minor side tear and mark\/scratches. Interior and odor condition remain unknown."
                ],
                "confidence": 0.65,
                "recommended_max_bid": 12,
                "estimated_resale_low": 8,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.42,
                "coach_probability": 0.55,
                "confidence": 0.38,
                "estimated_era": "unknown",
                "estimated_resale_high": 85,
                "estimated_resale_low": 35,
                "image_quality_score": 0.38,
                "is_handbag_probability": 0.96,
                "missing_information": [
                    "photo 1-5: creed patch not shown - need straight-on creed in raking light filling frame",
                    "photo 3: interior too dark\/blurry - need emptied interior wall, slip pocket and zipper pull brand stamp",
                    "photo 1-5: no COACH wordmark, hangtag or turnlock visible - need hangtag both faces, front closure view",
                    "photo 4-5: bottom\/side views overexposed with glare - need all four corners and bottom in even light",
                    "photo 1: strap detail incomplete - need full length, buckle holes, fold point and clip ends"
                ],
                "negative_evidence": [
                    "photo 1-5: no creed patch, COACH wordmark, horse-and-carriage or hangtag visible",
                    "photo 1-2,4-5: no turnlock visible; closure type unclear from photos",
                    "photo 3: interior view dark and out of focus, creed and lining construction cannot be verified",
                    "photo 4: seller-stated minor tear at side and surface marks\/scratches visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone \/ gold-tone buckle hardware on strap (photo 1); brass-tone zipper teeth inside (photo 3); tone consistent but stamps and geometry not legible",
                    "leather_description": "black smooth leather with soft sheen and creasing\/scratches (photo 2,4,5), appearance consistent with glove-tanned cowhide but texture not sharply resolved",
                    "lining_description": "not_visible - photo 3 shows dark interior with brass zip but underexposed and blurry; seller states raw suede lining (unverified in photos)",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "edge stitching appears even and color-matched (photo 2,5) but close-up detail not visible",
                    "strap_construction": "long thin crossbody strap, buckle-adjustable at sides with brass slides (photo 1)",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-2,5: black smooth glove-tanned-look leather flap\/body with even matched stitching",
                    "photo 1: solid brass-tone buckle-adjustable strap construction typical of vintage classics",
                    "photo 3: dark unlined-look interior with brass zip, seller states raw suede lining",
                    "photo 1-2,5: silhouette and seller-stated dimensions 9.5x7x3.5 in match vintage Coach crossbody proportions"
                ],
                "possible_model_reasoning": [
                    "Dimensions 9.5x7x3.5 in seller-stated match Basic Bag (9455) 9.5x7x3.5 zip-top double-strap; photo shows long crossbody strap and zip interior (photo 3) but front closure not clearly shown, fit uncertain",
                    "Pocket Purse (9755) 9.5x6.5x2 small flap crossbody is close in footprint but stated depth 3.5 in is deeper, less likely",
                    "No creed\/serial visible so era cannot be decoded; unlined-look leather + solid brass-tone hardware suggests NYC\/US era construction if Coach, but unconfirmed - era unknown",
                    "Condition: Good to Very Good with issues; seller notes minor tear at side, marks, scratches, creasing; photo 2 shows surface scratches\/creasing, photo 4 shows scuffs\/glare; interior and bottom not gradable from photos so capped"
                ],
                "possible_models": [
                    "Basic Bag (9455)",
                    "Pocket Purse (9755)"
                ],
                "recommended_max_bid": 22,
                "seller_misidentification_probability": 0.55,
                "vintage_probability": 0.65
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17332,
            "output_tokens": 853,
            "total_tokens": 18185,
            "estimated_cost_usd": 0.00898
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17658,
            "output_tokens": 1883,
            "total_tokens": 19541,
            "estimated_cost_usd": 0.005038
        }
    ]
}