Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.015,
    "vintage_probability": 0.035,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.685,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.9,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: bag is covered in numerous sewn-on plastic or sequin-like discs, unlike typical vintage Coach leather construction.",
        "photo 1: visible zipper and trim appear synthetic or textile rather than glove-tanned leather.",
        "photo 2: no Coach wordmark, horse-and-carriage, creed patch, or recognizable Coach branding is visible.",
        "photo 3: strap uses snap fasteners and metal rings; no Coach-specific hardware or hangtag is visible.",
        "photo 4: side construction and disc-covered exterior are inconsistent with the classic vintage Coach handbag catalog.",
        "photo 5: front view shows a novelty sequin\/disc design with no visible brand identifiers.",
        "photo 1-5: body covered in black plastic sequin\/discs, not glove-tanned leather",
        "photo 1-5: silver-tone O-rings and zipper hardware, not vintage solid brass",
        "photo 1-5: zip-top sequin hobo silhouette with no turnlock, no creed patch, no COACH wordmark, no leather hangtag",
        "photo 3: narrow strap with snap\/rivet attachment, not Coach buckle-adjust or dogleash construction"
    ],
    "missing_information": [
        "photo 1-5: interior and any sewn-in brand or care label are not shown.",
        "photo 1-5: no close-up of the zipper pull, interior seams, or labels is provided.",
        "photo 1-5: bottom and complete interior condition are not shown.",
        "No creed patch shown; no interior view to check for creed or lining (photos 1-5)",
        "No close-up of hardware stamps or brand marks",
        "No bottom or scale view, but material already excludes Coach"
    ],
    "authenticity_concerns": [
        "photo 1: plastic\/sequin-covered construction is inconsistent with the vintage Coach leather handbag population.",
        "photo 1-5: absence of any visible Coach identifier, combined with novelty synthetic construction, strongly favors a non-Coach lookalike or unrelated bag."
    ],
    "possible_model_reasoning": [
        "photo 1-5: silhouette supports a small shoulder or hobo-style handbag, but the novelty disc-covered construction does not match a recognizable Coach model.",
        "photo 1-5: no creed, serial\/style number, hangtag, or Coach wordmark is visible, so there is no basis for identifying a Coach model or era.",
        "Condition: approximately Good to Very Good from the visible photos; the exterior appears intact, but interior, odor, lining, and underside condition are unknown.",
        "No Coach model fits: sequin\/disc plastic body, silver-tone hardware, zip-top hobo construction are inconsistent with any vintage or modern Coach catalog style",
        "Material triage per skill: beads\/sequins\/plastic with no leather excludes Coach; coach_probability capped at 0.01-0.05",
        "Condition: Good to Very Good for a costume sequin bag; sequins appear largely intact in photos 1-5, no grading for leather rehab applies"
    ],
    "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 1-5: silver-tone metal rings, snap fasteners, zipper hardware, and a zipper pull are visible; no Coach engraving is legible.",
        "leather_description": "photo 1-5: no leather is visibly identifiable; exterior appears to be textile or synthetic material decorated with overlapping plastic\/sequin-like discs.",
        "lining_description": "not_visible",
        "strap_construction": "photo 3-5: narrow black strap with snap-fastened attachment ends connected to metal rings.",
        "stitching_description": "photo 1-5: visible textile edges and disc attachments appear machine-constructed; detailed seam quality is not sufficiently visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0027,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.01,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.01,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: bag is covered in numerous sewn-on plastic or sequin-like discs, unlike typical vintage Coach leather construction.",
                    "photo 1: visible zipper and trim appear synthetic or textile rather than glove-tanned leather.",
                    "photo 2: no Coach wordmark, horse-and-carriage, creed patch, or recognizable Coach branding is visible.",
                    "photo 3: strap uses snap fasteners and metal rings; no Coach-specific hardware or hangtag is visible.",
                    "photo 4: side construction and disc-covered exterior are inconsistent with the classic vintage Coach handbag catalog.",
                    "photo 5: front view shows a novelty sequin\/disc design with no visible brand identifiers."
                ],
                "missing_information": [
                    "photo 1-5: interior and any sewn-in brand or care label are not shown.",
                    "photo 1-5: no close-up of the zipper pull, interior seams, or labels is provided.",
                    "photo 1-5: bottom and complete interior condition are not shown."
                ],
                "authenticity_concerns": [
                    "photo 1: plastic\/sequin-covered construction is inconsistent with the vintage Coach leather handbag population.",
                    "photo 1-5: absence of any visible Coach identifier, combined with novelty synthetic construction, strongly favors a non-Coach lookalike or unrelated 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 1-5: silver-tone metal rings, snap fasteners, zipper hardware, and a zipper pull are visible; no Coach engraving is legible.",
                    "leather_description": "photo 1-5: no leather is visibly identifiable; exterior appears to be textile or synthetic material decorated with overlapping plastic\/sequin-like discs.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 3-5: narrow black strap with snap-fastened attachment ends connected to metal rings.",
                    "stitching_description": "photo 1-5: visible textile edges and disc attachments appear machine-constructed; detailed seam quality is not sufficiently visible."
                },
                "possible_model_reasoning": [
                    "photo 1-5: silhouette supports a small shoulder or hobo-style handbag, but the novelty disc-covered construction does not match a recognizable Coach model.",
                    "photo 1-5: no creed, serial\/style number, hangtag, or Coach wordmark is visible, so there is no basis for identifying a Coach model or era.",
                    "Condition: approximately Good to Very Good from the visible photos; the exterior appears intact, but interior, odor, lining, and underside condition are unknown."
                ],
                "confidence": 0.9,
                "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": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "No creed patch shown; no interior view to check for creed or lining (photos 1-5)",
                    "No close-up of hardware stamps or brand marks",
                    "No bottom or scale view, but material already excludes Coach"
                ],
                "negative_evidence": [
                    "photo 1-5: body covered in black plastic sequin\/discs, not glove-tanned leather",
                    "photo 1-5: silver-tone O-rings and zipper hardware, not vintage solid brass",
                    "photo 1-5: zip-top sequin hobo silhouette with no turnlock, no creed patch, no COACH wordmark, no leather hangtag",
                    "photo 3: narrow strap with snap\/rivet attachment, not Coach buckle-adjust or dogleash construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone O-rings at strap attachment and silver-tone zipper pull; lightweight plated appearance, not solid brass",
                    "leather_description": "no leather visible; body is black plastic sequin\/discs over fabric base as seller states",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible; beaded\/sequin attachment only",
                    "strap_construction": "single narrow shoulder strap with metal rivets\/snaps and O-ring attachment",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: sequin\/disc plastic body, silver-tone hardware, zip-top hobo construction are inconsistent with any vintage or modern Coach catalog style",
                    "Material triage per skill: beads\/sequins\/plastic with no leather excludes Coach; coach_probability capped at 0.01-0.05",
                    "Condition: Good to Very Good for a costume sequin bag; sequins appear largely intact in photos 1-5, no grading for leather rehab applies"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17279,
            "output_tokens": 746,
            "total_tokens": 18025,
            "estimated_cost_usd": 0.008702
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17607,
            "output_tokens": 935,
            "total_tokens": 18542,
            "estimated_cost_usd": 0.004269
        }
    ]
}