Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.02,
    "vintage_probability": 0.235,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.735,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.855,
    "recommended_max_bid": 8,
    "estimated_resale_low": 9,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a shoulder handbag with a flap and zippered construction.",
        "photo 1 and photo 3: decorative floral textile surface and stone-like pull are visible.",
        "photo 1,2,4: is a shoulder handbag in flap silhouette"
    ],
    "negative_evidence": [
        "photo 1: the bag is made from heavily embroidered\/knit textile rather than the glove-tanned leather or Coach signature canvas typical of the relevant Coach eras.",
        "photo 1: no Coach wordmark, carriage emblem, or recognizable Coach hardware is visible.",
        "photo 2: the strap appears light-colored and narrow, with generic buckle hardware rather than identifiable vintage Coach construction.",
        "photo 3: floral textile pattern is generic and not Coach Signature C canvas.",
        "photo 4: the visible closure and strap construction do not resemble a classic Coach turnlock bag.",
        "photo 1,3,4: body is pastel floral embroidered \/ knit textile, not glove-tanned cowhide",
        "photo 1,5,6: closure is crystal \/ stone pull tab with leather laces, not brass turnlock geometry",
        "photo 2,4: strap is thin flat light-grey material with silver-tone buckle, not solid brass Coach hardware",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible"
    ],
    "missing_information": [
        "photo 1-6: no clear interior view showing a brand label, creed patch, or fabric tag.",
        "photo 1-6: no close-up of zipper pulls, hardware markings, or any maker stamp.",
        "photo 1-6: exact material composition and manufacturing date are not documented.",
        "photo 1-6: interior views not shown so lining and creed location unknown",
        "photo 1-6: no creed patch close-up in raking light",
        "photo 1-6: no hardware brand stamps shown"
    ],
    "authenticity_concerns": [
        "photo 1-6: no Coach identifiers are visible, and the textile construction is inconsistent with the vintage leather Coach population.",
        "photo 1-6: the seller's Marco Avane identification is not independently verifiable from a visible label in the provided photos."
    ],
    "possible_model_reasoning": [
        "The floral embroidered textile, flap shape, narrow strap, and decorative stone pull do not match the listed vintage Coach leather models.",
        "Seller-stated 1980s\/1990s dating is not supported by a visible label or construction-specific identifier.",
        "Condition: Good to Very Good based on visible intact exterior; interior, odor, lining, and functional zipper condition are not shown.",
        "Embroidered textile construction with stone pull and non-brass hardware is inconsistent with any vintage Coach glove-tanned catalog style per sections 3-4; no model match",
        "Condition: Very Good to Excellent for textile; exterior embroidery looks clean in photos, interior stated clean but not shown 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": "photo 1 and photo 2: light-colored strap hardware, a small buckle, zipper pulls, and a stone-like decorative pull are visible; no Coach engraving is visible.",
        "leather_description": "photo 1-6: appears to be embroidered or knitted textile with light-colored trim; leather composition is not visible.",
        "lining_description": "not_visible",
        "strap_construction": "photo 2 and photo 4: narrow light-colored adjustable shoulder strap with a small buckle and stitched attachment points.",
        "stitching_description": "photo 1, photo 3, and photo 5: visible textile embroidery and stitched panel edges; no distinctive Coach construction can be established."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.003,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.12,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a shoulder handbag with a flap and zippered construction.",
                    "photo 1 and photo 3: decorative floral textile surface and stone-like pull are visible."
                ],
                "negative_evidence": [
                    "photo 1: the bag is made from heavily embroidered\/knit textile rather than the glove-tanned leather or Coach signature canvas typical of the relevant Coach eras.",
                    "photo 1: no Coach wordmark, carriage emblem, or recognizable Coach hardware is visible.",
                    "photo 2: the strap appears light-colored and narrow, with generic buckle hardware rather than identifiable vintage Coach construction.",
                    "photo 3: floral textile pattern is generic and not Coach Signature C canvas.",
                    "photo 4: the visible closure and strap construction do not resemble a classic Coach turnlock bag."
                ],
                "missing_information": [
                    "photo 1-6: no clear interior view showing a brand label, creed patch, or fabric tag.",
                    "photo 1-6: no close-up of zipper pulls, hardware markings, or any maker stamp.",
                    "photo 1-6: exact material composition and manufacturing date are not documented."
                ],
                "authenticity_concerns": [
                    "photo 1-6: no Coach identifiers are visible, and the textile construction is inconsistent with the vintage leather Coach population.",
                    "photo 1-6: the seller's Marco Avane identification is not independently verifiable from a visible label in the provided photos."
                ],
                "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 and photo 2: light-colored strap hardware, a small buckle, zipper pulls, and a stone-like decorative pull are visible; no Coach engraving is visible.",
                    "leather_description": "photo 1-6: appears to be embroidered or knitted textile with light-colored trim; leather composition is not visible.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 2 and photo 4: narrow light-colored adjustable shoulder strap with a small buckle and stitched attachment points.",
                    "stitching_description": "photo 1, photo 3, and photo 5: visible textile embroidery and stitched panel edges; no distinctive Coach construction can be established."
                },
                "possible_model_reasoning": [
                    "The floral embroidered textile, flap shape, narrow strap, and decorative stone pull do not match the listed vintage Coach leather models.",
                    "Seller-stated 1980s\/1990s dating is not supported by a visible label or construction-specific identifier.",
                    "Condition: Good to Very Good based on visible intact exterior; interior, odor, lining, and functional zipper condition are not shown."
                ],
                "confidence": 0.83,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "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": 8,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo 1-6: interior views not shown so lining and creed location unknown",
                    "photo 1-6: no creed patch close-up in raking light",
                    "photo 1-6: no hardware brand stamps shown"
                ],
                "negative_evidence": [
                    "photo 1,3,4: body is pastel floral embroidered \/ knit textile, not glove-tanned cowhide",
                    "photo 1,5,6: closure is crystal \/ stone pull tab with leather laces, not brass turnlock geometry",
                    "photo 2,4: strap is thin flat light-grey material with silver-tone buckle, not solid brass Coach hardware",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "no brass turnlock or brass hardware visible; large polished stone\/crystal tab with gold-tone frame and grey lace ties (photo 1,5,6); silver-tone strap buckle (photo 2)",
                    "leather_description": "no glove-tanned leather body visible; body is crewel \/ chain-stitched floral embroidery in pastel tones with light grey smooth trim (photo 1,3,4)",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible as leather stitching; embroidery stitching is floral textile work, not Coach leather seam stitching",
                    "strap_construction": "photo 2,4: thin flat light-grey shoulder\/crossbody strap, buckle-adjustable, sewn-on",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1,2,4: is a shoulder handbag in flap silhouette"
                ],
                "possible_model_reasoning": [
                    "Embroidered textile construction with stone pull and non-brass hardware is inconsistent with any vintage Coach glove-tanned catalog style per sections 3-4; no model match",
                    "Condition: Very Good to Excellent for textile; exterior embroidery looks clean in photos, interior stated clean but not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.35
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17885,
            "output_tokens": 791,
            "total_tokens": 18676,
            "estimated_cost_usd": 0.009052
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18225,
            "output_tokens": 1161,
            "total_tokens": 19386,
            "estimated_cost_usd": 0.004574
        }
    ]
}