Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.015,
    "vintage_probability": 0.04,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.79,
    "seller_misidentification_probability": 0.04,
    "confidence": 0.92,
    "recommended_max_bid": 9,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Bag is made entirely of crochet\/textile material rather than Coach's typical leather, coated canvas, or signature construction.",
        "photo 1: No Coach wordmark, horse-and-carriage emblem, creed patch, or leather identifier is visible.",
        "photo 2: Front shows a decorative crochet pattern and textile body, not a vintage leather Coach silhouette.",
        "photo 6: The attached round crochet accessory is not a Coach-style leather hangtag.",
        "photo 1-6: crochet\/macrame textile body, not glove-tanned leather - per skill coach_probability <=0.05",
        "photo 1-6: no solid brass hardware, no turnlock, no dogleash clips, no leather hangtag visible",
        "photo 1-6: no COACH wordmark, horse-and-carriage, or creed patch visible",
        "photo 6: small plated zipper pull only, inconsistent with vintage Coach brass hardware"
    ],
    "missing_information": [
        "Interior view and any sewn-in brand label are not shown.",
        "Close-up of any closure or side hardware is not shown.",
        "Bottom and interior condition are not fully documented.",
        "photo 6: interior lining and any interior labels\/tags not shown",
        "photo 1-6: no creed patch or brand stamp shown - request close-up of interior pocket\/wall if present",
        "photo 6: zipper brand stamp not legible"
    ],
    "authenticity_concerns": [
        "The crochet construction is incompatible with the vintage leather Coach population; this appears to be a non-Coach textile shoulder bag rather than a Coach bag."
    ],
    "possible_model_reasoning": [
        "No Coach model is suggested because the bag is crochet rather than a Coach leather or coated-canvas style.",
        "Photo 1 and photo 2 show an approximately 10\u201311 inch wide textile shoulder bag based on the tape measure, with a casual boho construction.",
        "Condition appears Good to Very Good from the visible exterior: crochet is intact with no obvious holes or major stains, but the interior and underside are not shown.",
        "photo 1-2: ~10in wide x ~9in tall zip-top crochet shoulder bag with all-over floral crochet does not match any Coach catalog silhouette in 4.2\/4.3",
        "photo 1-6: materials (crochet, plated zipper) point to modern non-Coach boho bag, not 1970s-1990s unlined glove-tanned brass-hardware Coach",
        "Condition: seller states Great condition; photos show intact crochet with no visible holes or stains, but interior, bottom corners and odor not assessable so no formal tier above Very Good"
    ],
    "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": "Minimal hardware is visible; no Coach-marked hardware or vintage brass turnlock is shown. A small metal fitting appears near the side in photo 6.",
        "leather_description": "No leather is visible; the bag appears to be constructed from beige crochet textile.",
        "lining_description": "not_visible",
        "strap_construction": "photo 5: Wide, matching crochet shoulder strap attached to the bag; strap appears textile and non-adjustable.",
        "stitching_description": "photo 1: Dense, even crochet work with raised circular and geometric decorative motifs; no conventional leather-bag stitching is visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0013,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.01,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.06,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Bag is made entirely of crochet\/textile material rather than Coach's typical leather, coated canvas, or signature construction.",
                    "photo 1: No Coach wordmark, horse-and-carriage emblem, creed patch, or leather identifier is visible.",
                    "photo 2: Front shows a decorative crochet pattern and textile body, not a vintage leather Coach silhouette.",
                    "photo 6: The attached round crochet accessory is not a Coach-style leather hangtag."
                ],
                "missing_information": [
                    "Interior view and any sewn-in brand label are not shown.",
                    "Close-up of any closure or side hardware is not shown.",
                    "Bottom and interior condition are not fully documented."
                ],
                "authenticity_concerns": [
                    "The crochet construction is incompatible with the vintage leather Coach population; this appears to be a non-Coach textile shoulder bag rather than a 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": "Minimal hardware is visible; no Coach-marked hardware or vintage brass turnlock is shown. A small metal fitting appears near the side in photo 6.",
                    "leather_description": "No leather is visible; the bag appears to be constructed from beige crochet textile.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 5: Wide, matching crochet shoulder strap attached to the bag; strap appears textile and non-adjustable.",
                    "stitching_description": "photo 1: Dense, even crochet work with raised circular and geometric decorative motifs; no conventional leather-bag stitching is visible."
                },
                "possible_model_reasoning": [
                    "No Coach model is suggested because the bag is crochet rather than a Coach leather or coated-canvas style.",
                    "Photo 1 and photo 2 show an approximately 10\u201311 inch wide textile shoulder bag based on the tape measure, with a casual boho construction.",
                    "Condition appears Good to Very Good from the visible exterior: crochet is intact with no obvious holes or major stains, but the interior and underside are not shown."
                ],
                "confidence": 0.94,
                "recommended_max_bid": 10,
                "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": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo 6: interior lining and any interior labels\/tags not shown",
                    "photo 1-6: no creed patch or brand stamp shown - request close-up of interior pocket\/wall if present",
                    "photo 6: zipper brand stamp not legible"
                ],
                "negative_evidence": [
                    "photo 1-6: crochet\/macrame textile body, not glove-tanned leather - per skill coach_probability <=0.05",
                    "photo 1-6: no solid brass hardware, no turnlock, no dogleash clips, no leather hangtag visible",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, or creed patch visible",
                    "photo 6: small plated zipper pull only, inconsistent with vintage Coach brass hardware"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 6: small gold-tone zip top zipper pull only; no turnlock, no solid brass buckles, D-rings or feet visible",
                    "leather_description": "photo 4: beige crochet textile with raised floral motifs; no leather visible",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 4: crochet textile construction, not leather stitching; no tight even leather seam stitching to assess",
                    "strap_construction": "photo 5: narrow crochet textile shoulder strap, sewn to body; no leather, no brass slides or clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1-2: ~10in wide x ~9in tall zip-top crochet shoulder bag with all-over floral crochet does not match any Coach catalog silhouette in 4.2\/4.3",
                    "photo 1-6: materials (crochet, plated zipper) point to modern non-Coach boho bag, not 1970s-1990s unlined glove-tanned brass-hardware Coach",
                    "Condition: seller states Great condition; photos show intact crochet with no visible holes or stains, but interior, bottom corners and odor not assessable so no formal tier above Very Good"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
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            "output_tokens": 690,
            "total_tokens": 18382,
            "estimated_cost_usd": 0.008733
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18027,
            "output_tokens": 1170,
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}