Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.865,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.77,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.89,
    "recommended_max_bid": 15,
    "estimated_resale_low": 15,
    "estimated_resale_high": 42.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a handbag with a structured kisslock frame, gathered body, and shoulder handle.",
        "photo 2: brass-tone frame and kisslock closure are consistent with a vintage handbag, but are not Coach-specific.",
        "photo 1,3: vintage handbag silhouette with top handle consistent with seller-stated 1940s mid-century style"
    ],
    "negative_evidence": [
        "photo 1: body appears to be black felt or textile rather than Coach glove-tanned leather.",
        "photo 5: satin or synthetic fabric lining is visible; this does not match the classic unlined glove-tanned Coach construction.",
        "photos 1-6: no visible Coach wordmark, horse-and-carriage mark, leather hangtag, creed patch, or Coach-specific branding.",
        "photos 1-4: the closure is a kisslock frame, not a recognizable Coach turnlock.",
        "photo 5: the interior zipper pocket and lining appear generic and provide no Coach identifier.",
        "photo 1-4,6: black felt textile body and handle, not leather - Coach is leather maker, felt triggers coach_probability <=0.05 rule",
        "photo 5: satin lining with zip pocket, not unlined suede-back glove-tanned leather",
        "photo 1-5: kisslock frame closure, no turnlock, no creed patch, no hangtag, no wordmark visible",
        "photo 4: handle repair with misaligned seams noted by seller, felt handle with metal rings - not Coach strap construction"
    ],
    "missing_information": [
        "photo 5: no close-up of any interior label, maker tag, or stitched brand mark is provided.",
        "photo 5: the interior is visible but any small label near seams or pockets is not shown at sufficient detail to verify a maker.",
        "photo 1: seller states the handle was repaired; close-up documentation of the repair and attachment points would help assess condition.",
        "photo 1: bottom and all corners are not shown directly.",
        "No Coach creed patch visible - interior shows only satin lining and zip pocket (photo 5)",
        "No COACH wordmark, hangtag, or hardware stamps visible in any photo",
        "Bottom and close-up of zipper brand not shown"
    ],
    "authenticity_concerns": [
        "photos 1-6: the felt\/textile body, satin lining, and generic kisslock construction are inconsistent with the classic vintage Coach leather handbag population.",
        "photos 1-6: no Coach identifier is visible, so a Coach attribution cannot be supported; this appears more likely to be a generic mid-century handbag than a Coach piece.",
        "photo 1-5: body and handle are black felt textile, not glove-tanned leather - inconsistent with any 1940s-1990s Coach manufacture",
        "photo 5: black satin lining with interior zip pocket - Coach classics of vintage era are unlined suede, satin lining indicates non-Coach mid-century manufacture"
    ],
    "possible_model_reasoning": [
        "The silhouette is a generic framed, gathered mid-century kisslock handbag and does not correspond to the listed classic Coach leather models.",
        "The seller's circa-1940s description is compatible with the visual styling, although the date is not independently verifiable from the photos.",
        "Condition: Good to Very Good; the seller reports a repaired handle and a seam misalignment, while the photos show general textile wear and aged hardware. Interior is shown, but maker labeling is not visible.",
        "No Coach model fits: felt body, kisslock frame, satin lining and felt handle are inconsistent with any Coach catalog style in 4.1-4.3",
        "Era reasoning: materials and kisslock construction support mid-century non-Coach origin as seller states, predates Coach handbag creed system and glove-tanned classics",
        "Condition: Good to Very Good vintage; handle repaired with seam misalignment per seller and photo 4, otherwise intact felt and working kisslock (photo 2,5)"
    ],
    "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": "photos 1-5: brass-tone rectangular kisslock frame with small spherical and teardrop-shaped clasp elements; metal shows age-related dulling. No Coach engraving is visible.",
        "leather_description": "photos 1-4 and 6: black fuzzy felt or textile body and handle; leather is not visibly used for the main body.",
        "lining_description": "photo 5: dark satin-like fabric lining with an interior zip pocket; no label is visible.",
        "strap_construction": "photos 1-4 and 6: single short shoulder handle attached with small metal rings and fabric\/leather attachment tabs; handle appears repaired or uneven at one attachment.",
        "stitching_description": "photos 1, 2, and 5: gathered textile seams and frame attachment are visible, but stitching is not detailed enough for a Coach construction assessment."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0012,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.88,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a handbag with a structured kisslock frame, gathered body, and shoulder handle.",
                    "photo 2: brass-tone frame and kisslock closure are consistent with a vintage handbag, but are not Coach-specific."
                ],
                "negative_evidence": [
                    "photo 1: body appears to be black felt or textile rather than Coach glove-tanned leather.",
                    "photo 5: satin or synthetic fabric lining is visible; this does not match the classic unlined glove-tanned Coach construction.",
                    "photos 1-6: no visible Coach wordmark, horse-and-carriage mark, leather hangtag, creed patch, or Coach-specific branding.",
                    "photos 1-4: the closure is a kisslock frame, not a recognizable Coach turnlock.",
                    "photo 5: the interior zipper pocket and lining appear generic and provide no Coach identifier."
                ],
                "missing_information": [
                    "photo 5: no close-up of any interior label, maker tag, or stitched brand mark is provided.",
                    "photo 5: the interior is visible but any small label near seams or pockets is not shown at sufficient detail to verify a maker.",
                    "photo 1: seller states the handle was repaired; close-up documentation of the repair and attachment points would help assess condition.",
                    "photo 1: bottom and all corners are not shown directly."
                ],
                "authenticity_concerns": [
                    "photos 1-6: the felt\/textile body, satin lining, and generic kisslock construction are inconsistent with the classic vintage Coach leather handbag population.",
                    "photos 1-6: no Coach identifier is visible, so a Coach attribution cannot be supported; this appears more likely to be a generic mid-century handbag than a Coach piece."
                ],
                "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": "photos 1-5: brass-tone rectangular kisslock frame with small spherical and teardrop-shaped clasp elements; metal shows age-related dulling. No Coach engraving is visible.",
                    "leather_description": "photos 1-4 and 6: black fuzzy felt or textile body and handle; leather is not visibly used for the main body.",
                    "lining_description": "photo 5: dark satin-like fabric lining with an interior zip pocket; no label is visible.",
                    "strap_construction": "photos 1-4 and 6: single short shoulder handle attached with small metal rings and fabric\/leather attachment tabs; handle appears repaired or uneven at one attachment.",
                    "stitching_description": "photos 1, 2, and 5: gathered textile seams and frame attachment are visible, but stitching is not detailed enough for a Coach construction assessment."
                },
                "possible_model_reasoning": [
                    "The silhouette is a generic framed, gathered mid-century kisslock handbag and does not correspond to the listed classic Coach leather models.",
                    "The seller's circa-1940s description is compatible with the visual styling, although the date is not independently verifiable from the photos.",
                    "Condition: Good to Very Good; the seller reports a repaired handle and a seam misalignment, while the photos show general textile wear and aged hardware. Interior is shown, but maker labeling is not visible."
                ],
                "confidence": 0.9,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 50
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-5: body and handle are black felt textile, not glove-tanned leather - inconsistent with any 1940s-1990s Coach manufacture",
                    "photo 5: black satin lining with interior zip pocket - Coach classics of vintage era are unlined suede, satin lining indicates non-Coach mid-century manufacture"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "unknown",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.68,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No Coach creed patch visible - interior shows only satin lining and zip pocket (photo 5)",
                    "No COACH wordmark, hangtag, or hardware stamps visible in any photo",
                    "Bottom and close-up of zipper brand not shown"
                ],
                "negative_evidence": [
                    "photo 1-4,6: black felt textile body and handle, not leather - Coach is leather maker, felt triggers coach_probability <=0.05 rule",
                    "photo 5: satin lining with zip pocket, not unlined suede-back glove-tanned leather",
                    "photo 1-5: kisslock frame closure, no turnlock, no creed patch, no hangtag, no wordmark visible",
                    "photo 4: handle repair with misaligned seams noted by seller, felt handle with metal rings - not Coach strap construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone kisslock frame and clasp with ball tips, metal handle rings; tarnished vintage tone (photo 2,5)",
                    "leather_description": "not leather - black felt \/ wool-like textile with pleated gathering, visible nap and pilling (photo 1-4,6)",
                    "lining_description": "black satin lining with interior zip pocket with ring pull (photo 5)",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - pleated construction, no observable Coach-type matched stitching",
                    "strap_construction": "narrow fixed top handle in same black felt, looped through frame rings with wrapped ends (photo 1,3,4)",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1,3: vintage handbag silhouette with top handle consistent with seller-stated 1940s mid-century style"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: felt body, kisslock frame, satin lining and felt handle are inconsistent with any Coach catalog style in 4.1-4.3",
                    "Era reasoning: materials and kisslock construction support mid-century non-Coach origin as seller states, predates Coach handbag creed system and glove-tanned classics",
                    "Condition: Good to Very Good vintage; handle repaired with seam misalignment per seller and photo 4, otherwise intact felt and working kisslock (photo 2,5)"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.85
            }
        }
    ],
    "_usage": [
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            "output_tokens": 965,
            "total_tokens": 19191,
            "estimated_cost_usd": 0.009606
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18784,
            "output_tokens": 1502,
            "total_tokens": 20286,
            "estimated_cost_usd": 0.004958
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}