Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.015,
    "vintage_probability": 0.425,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.795,
    "seller_misidentification_probability": 0.02,
    "confidence": 0.905,
    "recommended_max_bid": 9,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag-sized purse with two fixed handles.",
        "photo 1: The bag has a distinctive hand-knit or crochet-style brown textile body and dark molded handles.",
        "photo 4: The tape measure indicates an approximately 12-inch width.",
        "photo 5: The body appears approximately 8 inches tall below the handles."
    ],
    "negative_evidence": [
        "photo 1: No Coach wordmark, horse-and-carriage emblem, leather hangtag, creed patch, or serial marking is visible.",
        "photo 1: The body is textile knit\/crochet rather than Coach glove-tanned leather, coated canvas, or recognizable Coach signature canvas.",
        "photo 2: The handle shows only an unbranded small circular mark; no legible Coach branding is visible.",
        "photo 6: The handle appears molded dark plastic or Bakelite-like material, not the brass hardware typical of classic Coach handbags.",
        "photo 3: The visible construction and bobbled knit texture do not match a documented Coach handbag silhouette or construction.",
        "photo 1: body is brown crochet \/ hand-knit yarn with bobble texture, not glove-tanned leather",
        "photo 1,2,6: handles are molded brown plastic, not leather straps or solid brass hardware",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag, no turnlock visible",
        "photo 1-6: crochet \/ macrame construction is an exclusionary material for Coach per triage"
    ],
    "missing_information": [
        "photo 1: Interior opening and lining are not shown clearly enough to verify the seller's floral-lining statement.",
        "photo 1: No underside, back, side, closure, or interior-pocket view is provided.",
        "photo 2: The small circular handle mark should be photographed straight-on at higher resolution to determine whether it is a maker's mark.",
        "photo 1: No close-up of seams, handle attachment, or any interior label is provided.",
        "photo 1-6: interior \/ lining not shown, floral lining claimed in title not visible",
        "photo 1-6: no creed patch, brand mark, or leather tag shown"
    ],
    "authenticity_concerns": [
        "photo 1: The textile knit body and molded handles are inconsistent with the documented construction of the likely vintage Coach styles.",
        "photo 1: No Coach identifier is visible, making a Coach attribution unsupported rather than merely unverified."
    ],
    "possible_model_reasoning": [
        "The approximately 12-by-8-inch handled silhouette in photos 1, 4, and 5 does not correspond clearly to a documented Coach model.",
        "The knit\/crochet body, molded handles, and absence of Coach identifiers point to a vintage-style unbranded textile purse rather than Coach.",
        "Condition: Good to Very Good visually; the knit appears intact, but interior, closure, underside, and handle attachment condition are not fully shown.",
        "No Coach model fits: material (crochet yarn), plastic handles, and lack of leather\/brass\/creed are inconsistent with any Coach catalog style",
        "Condition: appears intact crochet with no obvious holes in photos, but interior, bottom and lining unknown so no formal grade"
    ],
    "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": "Dark, glossy, molded oval\/rounded handles; a small circular mark is visible on one handle in photo 2, but it is not legible as a brand mark. No metal closure hardware is visible.",
        "leather_description": "not_visible; the body visibly appears to be brown yarn or textile knit\/crochet, not leather.",
        "lining_description": "not_visible; floral fabric appears in the background and through the handle opening, but the bag interior is not shown.",
        "strap_construction": "Two fixed molded handles attached at the upper edges; no shoulder strap is visible.",
        "stitching_description": "The body is formed from chunky, textured knit\/crochet stitches with raised bobble motifs. Leather seam construction is not visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0078,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.65,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.84,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag-sized purse with two fixed handles.",
                    "photo 1: The bag has a distinctive hand-knit or crochet-style brown textile body and dark molded handles.",
                    "photo 4: The tape measure indicates an approximately 12-inch width.",
                    "photo 5: The body appears approximately 8 inches tall below the handles."
                ],
                "negative_evidence": [
                    "photo 1: No Coach wordmark, horse-and-carriage emblem, leather hangtag, creed patch, or serial marking is visible.",
                    "photo 1: The body is textile knit\/crochet rather than Coach glove-tanned leather, coated canvas, or recognizable Coach signature canvas.",
                    "photo 2: The handle shows only an unbranded small circular mark; no legible Coach branding is visible.",
                    "photo 6: The handle appears molded dark plastic or Bakelite-like material, not the brass hardware typical of classic Coach handbags.",
                    "photo 3: The visible construction and bobbled knit texture do not match a documented Coach handbag silhouette or construction."
                ],
                "missing_information": [
                    "photo 1: Interior opening and lining are not shown clearly enough to verify the seller's floral-lining statement.",
                    "photo 1: No underside, back, side, closure, or interior-pocket view is provided.",
                    "photo 2: The small circular handle mark should be photographed straight-on at higher resolution to determine whether it is a maker's mark.",
                    "photo 1: No close-up of seams, handle attachment, or any interior label is provided."
                ],
                "authenticity_concerns": [
                    "photo 1: The textile knit body and molded handles are inconsistent with the documented construction of the likely vintage Coach styles.",
                    "photo 1: No Coach identifier is visible, making a Coach attribution unsupported rather than merely unverified."
                ],
                "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": "Dark, glossy, molded oval\/rounded handles; a small circular mark is visible on one handle in photo 2, but it is not legible as a brand mark. No metal closure hardware is visible.",
                    "leather_description": "not_visible; the body visibly appears to be brown yarn or textile knit\/crochet, not leather.",
                    "lining_description": "not_visible; floral fabric appears in the background and through the handle opening, but the bag interior is not shown.",
                    "strap_construction": "Two fixed molded handles attached at the upper edges; no shoulder strap is visible.",
                    "stitching_description": "The body is formed from chunky, textured knit\/crochet stitches with raised bobble motifs. Leather seam construction is not visible."
                },
                "possible_model_reasoning": [
                    "The approximately 12-by-8-inch handled silhouette in photos 1, 4, and 5 does not correspond clearly to a documented Coach model.",
                    "The knit\/crochet body, molded handles, and absence of Coach identifiers point to a vintage-style unbranded textile purse rather than Coach.",
                    "Condition: Good to Very Good visually; the knit appears intact, but interior, closure, underside, and handle attachment condition are not fully shown."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 10,
                "estimated_resale_low": 10,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.01,
                "coach_probability": 0.01,
                "confidence": 0.95,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 15,
                "estimated_resale_low": 5,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1-6: interior \/ lining not shown, floral lining claimed in title not visible",
                    "photo 1-6: no creed patch, brand mark, or leather tag shown"
                ],
                "negative_evidence": [
                    "photo 1: body is brown crochet \/ hand-knit yarn with bobble texture, not glove-tanned leather",
                    "photo 1,2,6: handles are molded brown plastic, not leather straps or solid brass hardware",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag, no turnlock visible",
                    "photo 1-6: crochet \/ macrame construction is an exclusionary material for Coach per triage"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "no metal hardware visible; rigid brown tortoise-style plastic top handles only (photo 1,2,6)",
                    "leather_description": "no leather visible; brown crochet-knit yarn with bobble\/popcorn stitch (photo 1,3,4)",
                    "lining_description": "not_visible - interior not shown; seller title claims floral lined but not verified in photos",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible as leather stitching; crochet knit construction only",
                    "strap_construction": "rigid plastic top handles set into top of knit body, no detachable strap (photo 1,2,6)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: material (crochet yarn), plastic handles, and lack of leather\/brass\/creed are inconsistent with any Coach catalog style",
                    "Condition: appears intact crochet with no obvious holes in photos, but interior, bottom and lining unknown so no formal grade"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.01,
                "vintage_probability": 0.2
            }
        }
    ],
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