Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.71,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.88,
    "recommended_max_bid": 10,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag with shoulder and crossbody straps.",
        "photo 4: The bag has leather-like construction and brass-tone fittings, which are broadly compatible with many handbag brands."
    ],
    "negative_evidence": [
        "photo 1: Product collage shows a glossy, highly structured commercial bag with an oval decorative clasp rather than a recognizable vintage Coach turnlock.",
        "photo 2: Interior diagram shows a polyester-style lining and multiple compartment construction; no Coach creed patch or Coach label is visible.",
        "photo 3: Product graphic presents a modern mass-market design with stated dimensions and weight, not a documented vintage Coach model.",
        "photo 4: Exterior and side views show shiny coated-looking leather, small plated fittings, and generic construction without Coach identifiers.",
        "photo 6: The product is shown in new commercial photography and appears to be a currently manufactured bag rather than a vintage item.",
        "photo 1: catalog-style collage showing same bag in 5+ colors (black, tan, brown, mint, white) sold as new - mass-produced modern fast-fashion, not vintage Coach",
        "photo 2: tan polyester lining and 5-pocket zip-top layout with back zipper pocket - inconsistent with unlined glove-tanned vintage Coach classics",
        "photo 3, photo 4: glossy coated leather with high shine, bright gold-tone alloy fittings - seller states 'premium alloy fittings' and 'polyester lining' - not solid brass + suede-back glove-tanned",
        "photo 4, photo 5: zip-top closure with applied front flap pocket with oval twist lock of modern chunky geometry - not Coach turnlock geometry, no brass back-plate, no bead-chain hangtag",
        "No creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible in any of 5 images"
    ],
    "missing_information": [
        "photo 1-6: No straight-on interior photograph of the actual bag showing any sewn creed patch or fabric brand tag.",
        "photo 1-6: No close-up of the clasp, zipper pulls, strap clips, or hardware markings.",
        "photo 1-6: No actual bottom, seam, or stitching close-ups.",
        "photo 1-6: Seller-provided materials and construction details are not independently verifiable from the photos.",
        "No creed patch shown - request interior wall\/pocket close-up in raking light (photo 2 shows only polyester lining, no leather patch)",
        "No COACH wordmark, hangtag, or hardware engraving visible - request close-ups if claimed",
        "No bottom\/corner wear, zipper-brand stamp, or hardware back-plate detail shown"
    ],
    "authenticity_concerns": [
        "photo 1: The large oval clasp is a generic decorative closure and does not resemble the elegant slim turnlock geometry typical of vintage Coach classics.",
        "photo 2: The visible multi-pocket, fabric-lined interior and glossy exterior are inconsistent with classic unlined glove-tanned Coach silhouettes.",
        "photo 4: The bag has no visible creed, serial\/style number, Coach wordmark, horse-and-carriage, or hangtag.",
        "photo 1-6: Catalog-style images and the seller's 'brand new' condition support a modern generic product, not a vintage Coach bag."
    ],
    "possible_model_reasoning": [
        "No Coach model is assigned because the bag lacks visible Coach identifiers and its generic glossy, fabric-lined, multi-pocket design does not closely match the listed vintage Coach catalog models.",
        "photo 2: The five-pocket layout and zipper compartments indicate a contemporary utility shoulder bag rather than a classic vintage Coach unlined leather style.",
        "Condition: New according to the seller and commercial product images; actual wear, odor, and long-term condition cannot be verified.",
        "No Coach catalog silhouette match: zip-top multi-pocket shoulder with front flap twist pocket does not match City Bag (9790), Willis (9927), Court (9870), Station (5130), Dinky (9375) or other classics in proportions, closure, or strap system",
        "Era reasoning: brand-new condition, polyester lining, alloy hardware, catalog renders, multi-color offering = modern (2000s+) non-Coach manufacture",
        "Condition: New per seller and photos - glossy uniform surface, no corner wear, no patina (photos 4-5)"
    ],
    "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, photo 4, photo 6: Gold-tone small fittings and oval decorative closures are visible; no Coach engraving is legible.",
        "leather_description": "photo 1, photo 4, photo 6: Glossy burgundy leather-like or coated leather exterior; exact leather type cannot be confirmed from photos.",
        "lining_description": "photo 2: Light-colored fabric lining is shown in a product diagram; seller states polyester lining, but the actual lining texture is not independently clear.",
        "strap_construction": "photo 3, photo 4: One adjustable shoulder strap and a second detachable-looking crossbody strap with small clasp fittings are shown.",
        "stitching_description": "photo 4, photo 6: Visible perimeter stitching appears generally even, but the catalog-image resolution does not support a detailed construction assessment."
    },
    "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": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.05,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag with shoulder and crossbody straps.",
                    "photo 4: The bag has leather-like construction and brass-tone fittings, which are broadly compatible with many handbag brands."
                ],
                "negative_evidence": [
                    "photo 1: Product collage shows a glossy, highly structured commercial bag with an oval decorative clasp rather than a recognizable vintage Coach turnlock.",
                    "photo 2: Interior diagram shows a polyester-style lining and multiple compartment construction; no Coach creed patch or Coach label is visible.",
                    "photo 3: Product graphic presents a modern mass-market design with stated dimensions and weight, not a documented vintage Coach model.",
                    "photo 4: Exterior and side views show shiny coated-looking leather, small plated fittings, and generic construction without Coach identifiers.",
                    "photo 6: The product is shown in new commercial photography and appears to be a currently manufactured bag rather than a vintage item."
                ],
                "missing_information": [
                    "photo 1-6: No straight-on interior photograph of the actual bag showing any sewn creed patch or fabric brand tag.",
                    "photo 1-6: No close-up of the clasp, zipper pulls, strap clips, or hardware markings.",
                    "photo 1-6: No actual bottom, seam, or stitching close-ups.",
                    "photo 1-6: Seller-provided materials and construction details are not independently verifiable from the photos."
                ],
                "authenticity_concerns": [
                    "photo 1: The large oval clasp is a generic decorative closure and does not resemble the elegant slim turnlock geometry typical of vintage Coach classics.",
                    "photo 2: The visible multi-pocket, fabric-lined interior and glossy exterior are inconsistent with classic unlined glove-tanned Coach silhouettes.",
                    "photo 4: The bag has no visible creed, serial\/style number, Coach wordmark, horse-and-carriage, or hangtag.",
                    "photo 1-6: Catalog-style images and the seller's 'brand new' condition support a modern generic product, not a vintage Coach bag."
                ],
                "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, photo 4, photo 6: Gold-tone small fittings and oval decorative closures are visible; no Coach engraving is legible.",
                    "leather_description": "photo 1, photo 4, photo 6: Glossy burgundy leather-like or coated leather exterior; exact leather type cannot be confirmed from photos.",
                    "lining_description": "photo 2: Light-colored fabric lining is shown in a product diagram; seller states polyester lining, but the actual lining texture is not independently clear.",
                    "strap_construction": "photo 3, photo 4: One adjustable shoulder strap and a second detachable-looking crossbody strap with small clasp fittings are shown.",
                    "stitching_description": "photo 4, photo 6: Visible perimeter stitching appears generally even, but the catalog-image resolution does not support a detailed construction assessment."
                },
                "possible_model_reasoning": [
                    "No Coach model is assigned because the bag lacks visible Coach identifiers and its generic glossy, fabric-lined, multi-pocket design does not closely match the listed vintage Coach catalog models.",
                    "photo 2: The five-pocket layout and zipper compartments indicate a contemporary utility shoulder bag rather than a classic vintage Coach unlined leather style.",
                    "Condition: New according to the seller and commercial product images; actual wear, odor, and long-term condition cannot be verified."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No creed patch shown - request interior wall\/pocket close-up in raking light (photo 2 shows only polyester lining, no leather patch)",
                    "No COACH wordmark, hangtag, or hardware engraving visible - request close-ups if claimed",
                    "No bottom\/corner wear, zipper-brand stamp, or hardware back-plate detail shown"
                ],
                "negative_evidence": [
                    "photo 1: catalog-style collage showing same bag in 5+ colors (black, tan, brown, mint, white) sold as new - mass-produced modern fast-fashion, not vintage Coach",
                    "photo 2: tan polyester lining and 5-pocket zip-top layout with back zipper pocket - inconsistent with unlined glove-tanned vintage Coach classics",
                    "photo 3, photo 4: glossy coated leather with high shine, bright gold-tone alloy fittings - seller states 'premium alloy fittings' and 'polyester lining' - not solid brass + suede-back glove-tanned",
                    "photo 4, photo 5: zip-top closure with applied front flap pocket with oval twist lock of modern chunky geometry - not Coach turnlock geometry, no brass back-plate, no bead-chain hangtag",
                    "No creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible in any of 5 images"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone plated alloy oval twist lock on front pocket and dogleash-style strap clips; shiny, thin, modern - not solid brass vintage turnlock",
                    "leather_description": "glossy coated cowhide with high shine, smooth uniform finish - not matte glove-tanned full-grain with patina",
                    "lining_description": "tan\/beige polyester fabric lining visible in photo 2 - not unlined suede-back",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible in close-up; edges appear straight from distance, no detail to assess",
                    "strap_construction": "two detachable thin shoulder\/crossbody straps with gold-tone clips, 32-40 inch adjustable strap per diagram",
                    "turnlock_present": true
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach catalog silhouette match: zip-top multi-pocket shoulder with front flap twist pocket does not match City Bag (9790), Willis (9927), Court (9870), Station (5130), Dinky (9375) or other classics in proportions, closure, or strap system",
                    "Era reasoning: brand-new condition, polyester lining, alloy hardware, catalog renders, multi-color offering = modern (2000s+) non-Coach manufacture",
                    "Condition: New per seller and photos - glossy uniform surface, no corner wear, no patina (photos 4-5)"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17801,
            "output_tokens": 938,
            "total_tokens": 18739,
            "estimated_cost_usd": 0.009372
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18318,
            "output_tokens": 1282,
            "total_tokens": 19600,
            "estimated_cost_usd": 0.004689
        }
    ]
}