Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.045,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.685,
    "seller_misidentification_probability": 0.075,
    "confidence": 0.88,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: The bag has a bright, glossy, heavily wrinkled material more consistent with faux leather or coated synthetic material than vintage Coach glove-tanned leather.",
        "photo 1: Decorative black-and-white patterned fabric inserts and a non-Coach-looking fashion design are visible; no Coach-specific silhouette or branding is apparent.",
        "photo 3: The visible interior uses a printed textile lining and has a generic snap closure, not a visible Coach creed or classic vintage construction.",
        "photo 1: The hardware appears light\/plated and generic rather than the substantial, era-consistent brass hardware expected on many vintage Coach classics.",
        "photos 1-7: No legible COACH wordmark, horse-and-carriage mark, creed patch, serial\/style number, or leather Coach hangtag is visible.",
        "photo 1,2,4,5,6: mustard-yellow high-gloss wrinkled material with fabric patchwork inserts - not Coach glove-tanned cowhide",
        "photo 3: black\/white\/brown bold-print synthetic lining - not unlined suede and not Coach lining",
        "photo 3: silver-tone magnetic snap closure - no turnlock and no solid brass hardware",
        "photo 1,2,4: thin flat strap with silver-tone rings and buckle - not Coach brass dogleash\/lobster or dowel construction",
        "photo 1,2,3,4: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
    ],
    "missing_information": [
        "photo 2: A clear, straight-on photograph of the entire interior and all pockets would confirm that no creed or brand label is present.",
        "photo 3: Close-ups of the zipper pull, snaps, strap hardware, and any interior labels are needed for maker identification.",
        "photo 1: Seller-stated material composition and dimensions are not provided beyond the photographs.",
        "photo 4: A clear bottom, side, and corner view would better establish construction and condition.",
        "No creed patch shown - request straight-on interior wall\/pocket photo in raking light",
        "No hardware brand stamps shown - request zipper pull and snap close-ups",
        "No bottom\/side\/corner detail for full condition grade"
    ],
    "authenticity_concerns": [
        "photos 1-7: The glossy synthetic-looking material, printed lining, decorative fabric panels, and generic hardware are inconsistent with a typical vintage Coach leather handbag.",
        "photos 1-7: No Coach identifier is visible, so the item appears to be an unbranded or non-Coach fashion bag rather than a misidentified vintage Coach."
    ],
    "possible_model_reasoning": [
        "photo 1: The rectangular crossbody shape with flap, exterior patterned panels, rear zipper pocket, and adjustable strap does not closely match a specific listed vintage Coach model.",
        "photos 1-7: No Coach model can be reasonably proposed without a creed, wordmark, or distinctive Coach construction.",
        "photos 1-7: Condition appears Good at best because the material is heavily wrinkled and the bag shows substantial handling\/storage creasing; interior and functional condition are not fully shown.",
        "No Coach silhouette, closure, leather, lining or hardware match; patchwork flap crossbody with magnetic snap and synthetic lining has no catalog counterpart",
        "Condition: Good to Very Good as handmade\/novelty bag; surface wrinkling is material character, no corner wear shown but lighting is dim and bottom not shown"
    ],
    "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 1: Adjustable shoulder strap with small generic metal rings and buckle hardware; photo 3: snap fasteners are visible. No Coach engraving is legible.",
        "leather_description": "photos 1, 2, 4, and 5: Smooth glossy yellow material with extensive wrinkling; appearance is more consistent with faux leather, coated synthetic, or thin fashion leather than glove-tanned vintage Coach leather.",
        "lining_description": "photos 3 and 6: Printed black, white, and brown textile lining or decorative fabric panels are visible; no creed patch or Coach label is visible.",
        "strap_construction": "photos 1 and 4: Long adjustable shoulder strap attached with small rings; strap appears padded or folded and covered in the same yellow material.",
        "stitching_description": "photos 1, 2, 4, 5, and 7: Visible machine stitching is generally straight and evenly spaced, but construction is generic and does not establish Coach manufacture."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.003,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.04,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.12,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: The bag has a bright, glossy, heavily wrinkled material more consistent with faux leather or coated synthetic material than vintage Coach glove-tanned leather.",
                    "photo 1: Decorative black-and-white patterned fabric inserts and a non-Coach-looking fashion design are visible; no Coach-specific silhouette or branding is apparent.",
                    "photo 3: The visible interior uses a printed textile lining and has a generic snap closure, not a visible Coach creed or classic vintage construction.",
                    "photo 1: The hardware appears light\/plated and generic rather than the substantial, era-consistent brass hardware expected on many vintage Coach classics.",
                    "photos 1-7: No legible COACH wordmark, horse-and-carriage mark, creed patch, serial\/style number, or leather Coach hangtag is visible."
                ],
                "missing_information": [
                    "photo 2: A clear, straight-on photograph of the entire interior and all pockets would confirm that no creed or brand label is present.",
                    "photo 3: Close-ups of the zipper pull, snaps, strap hardware, and any interior labels are needed for maker identification.",
                    "photo 1: Seller-stated material composition and dimensions are not provided beyond the photographs.",
                    "photo 4: A clear bottom, side, and corner view would better establish construction and condition."
                ],
                "authenticity_concerns": [
                    "photos 1-7: The glossy synthetic-looking material, printed lining, decorative fabric panels, and generic hardware are inconsistent with a typical vintage Coach leather handbag.",
                    "photos 1-7: No Coach identifier is visible, so the item appears to be an unbranded or non-Coach fashion bag rather than a misidentified vintage Coach."
                ],
                "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: Adjustable shoulder strap with small generic metal rings and buckle hardware; photo 3: snap fasteners are visible. No Coach engraving is legible.",
                    "leather_description": "photos 1, 2, 4, and 5: Smooth glossy yellow material with extensive wrinkling; appearance is more consistent with faux leather, coated synthetic, or thin fashion leather than glove-tanned vintage Coach leather.",
                    "lining_description": "photos 3 and 6: Printed black, white, and brown textile lining or decorative fabric panels are visible; no creed patch or Coach label is visible.",
                    "strap_construction": "photos 1 and 4: Long adjustable shoulder strap attached with small rings; strap appears padded or folded and covered in the same yellow material.",
                    "stitching_description": "photos 1, 2, 4, 5, and 7: Visible machine stitching is generally straight and evenly spaced, but construction is generic and does not establish Coach manufacture."
                },
                "possible_model_reasoning": [
                    "photo 1: The rectangular crossbody shape with flap, exterior patterned panels, rear zipper pocket, and adjustable strap does not closely match a specific listed vintage Coach model.",
                    "photos 1-7: No Coach model can be reasonably proposed without a creed, wordmark, or distinctive Coach construction.",
                    "photos 1-7: Condition appears Good at best because the material is heavily wrinkled and the bag shows substantial handling\/storage creasing; interior and functional condition are not fully shown."
                ],
                "confidence": 0.91,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "No creed patch shown - request straight-on interior wall\/pocket photo in raking light",
                    "No hardware brand stamps shown - request zipper pull and snap close-ups",
                    "No bottom\/side\/corner detail for full condition grade"
                ],
                "negative_evidence": [
                    "photo 1,2,4,5,6: mustard-yellow high-gloss wrinkled material with fabric patchwork inserts - not Coach glove-tanned cowhide",
                    "photo 3: black\/white\/brown bold-print synthetic lining - not unlined suede and not Coach lining",
                    "photo 3: silver-tone magnetic snap closure - no turnlock and no solid brass hardware",
                    "photo 1,2,4: thin flat strap with silver-tone rings and buckle - not Coach brass dogleash\/lobster or dowel construction",
                    "photo 1,2,3,4: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone magnetic snaps and strap rings and buckle; thin plated appearance, not solid brass; no turnlock",
                    "leather_description": "mustard-yellow soft glossy material with wrinkling and high shine, with printed fabric patchwork panels on flap; appears coated faux\/PU, not matte glove-tanned full-grain",
                    "lining_description": "printed polyester in black\/white\/tan swirl\/zebra pattern, visible in photo 3",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "simple machine topstitching, tone-matched, visible around flap and patch panels",
                    "strap_construction": "narrow flat shoulder\/crossbody strap with buckle adjustment, attached via small metal rings",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach silhouette, closure, leather, lining or hardware match; patchwork flap crossbody with magnetic snap and synthetic lining has no catalog counterpart",
                    "Condition: Good to Very Good as handmade\/novelty bag; surface wrinkling is material character, no corner wear shown but lighting is dim and bottom not shown"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 27323,
            "output_tokens": 903,
            "total_tokens": 28226,
            "estimated_cost_usd": 0.013096
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 28547,
            "output_tokens": 1230,
            "total_tokens": 29777,
            "estimated_cost_usd": 0.006693
        }
    ]
}