Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.02,
    "vintage_probability": 0.375,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.715,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.86,
    "recommended_max_bid": 8,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: bag is covered in all-over glass beadwork rather than Coach's typical leather, coated canvas, or recognizable vintage textile constructions",
        "photo 2: interior appears to be shiny synthetic lining with multiple zipper compartments, not a visible classic Coach glove-tanned or suede-back interior",
        "photo 2: zipper hardware and construction do not show a recognizable Coach identifier",
        "photos 1-3: no COACH wordmark, horse-and-carriage, creed patch, serial\/style number, or recognizable Coach hardware is visible",
        "photo 1, photo 3: entire exterior is glass-bead beadwork, not glove-tanned leather",
        "photo 2: black shiny satin-like polyester lining, not unlined suede",
        "photo 2: zip-top closure with silver-tone hardware, no brass turnlock",
        "photo 1-3: no COACH wordmark, creed patch, hangtag, or horse-and-carriage visible",
        "photo 2: thin flat shoulder straps with faux-snakeskin finish, not Coach buckle-adjustable leather straps"
    ],
    "missing_information": [
        "photo 1: reverse and full exterior views are not provided",
        "photo 2: interior label, sewn-in brand tag, and all pocket seams are not shown clearly",
        "photo 1: strap attachment and hardware close-ups are incomplete",
        "photo 1: bottom, corners, and full strap condition are not shown",
        "photo 1 front floral face not shown - only bottom\/side views provided",
        "no creed patch or brand label shown",
        "no exterior front, back, bottom corners fully shown",
        "no hardware close-up or zipper brand stamp legible",
        "no hangtag views"
    ],
    "authenticity_concerns": [
        "photos 1-3: no evidence supports Coach manufacture; the beaded construction and synthetic-looking lining are inconsistent with the usual vintage Coach identification profile",
        "photos 1-3: this appears more likely to be a generic or specialty beaded shoulder bag than a Coach bag"
    ],
    "possible_model_reasoning": [
        "photo 1: silhouette and seller-stated dimensions support a small-to-medium shoulder bag, but no Coach catalog model is indicated",
        "photos 1-3: beadwork, zipper-compartment interior, and lack of Coach identifiers favor a generic vintage or modern beaded bag",
        "photo 1: condition appears generally intact, but the seller states a small flaw is shown in the last photo; exact condition and flaw severity cannot be fully assessed",
        "Silhouette is a beaded floral zip-top shoulder bag 8x11x5 in per seller - no Coach catalog style uses all-over beadwork construction",
        "Materials (beads, polyester lining, plated zipper) fall under \u00a71 triage exclusion: beads, plastic, printed polyester lining = coach_probability <=0.05 unless Coach identifier visible, none visible",
        "Condition: Good to Very Good with small flaw noted by seller at side seam (photo 3: loose threads\/bead loss at edge); full grading capped by missing front and corner views"
    ],
    "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 2: silver-tone zipper pulls and zipper hardware are visible; no Coach engraving is legible",
        "leather_description": "photo 1: no leather body is visible; exterior is densely covered with black, brown, red, and green beads",
        "lining_description": "photo 2: black, shiny synthetic-looking lining is visible",
        "strap_construction": "photo 2: narrow dark strap appears attached to the bag; full attachment and adjustment construction are not visible",
        "stitching_description": "photos 1 and 3: bead rows and decorative lines are visible; underlying seam stitching is not clearly assessable"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0009,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.35,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: bag is covered in all-over glass beadwork rather than Coach's typical leather, coated canvas, or recognizable vintage textile constructions",
                    "photo 2: interior appears to be shiny synthetic lining with multiple zipper compartments, not a visible classic Coach glove-tanned or suede-back interior",
                    "photo 2: zipper hardware and construction do not show a recognizable Coach identifier",
                    "photos 1-3: no COACH wordmark, horse-and-carriage, creed patch, serial\/style number, or recognizable Coach hardware is visible"
                ],
                "missing_information": [
                    "photo 1: reverse and full exterior views are not provided",
                    "photo 2: interior label, sewn-in brand tag, and all pocket seams are not shown clearly",
                    "photo 1: strap attachment and hardware close-ups are incomplete",
                    "photo 1: bottom, corners, and full strap condition are not shown"
                ],
                "authenticity_concerns": [
                    "photos 1-3: no evidence supports Coach manufacture; the beaded construction and synthetic-looking lining are inconsistent with the usual vintage Coach identification profile",
                    "photos 1-3: this appears more likely to be a generic or specialty beaded shoulder bag 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": "photo 2: silver-tone zipper pulls and zipper hardware are visible; no Coach engraving is legible",
                    "leather_description": "photo 1: no leather body is visible; exterior is densely covered with black, brown, red, and green beads",
                    "lining_description": "photo 2: black, shiny synthetic-looking lining is visible",
                    "strap_construction": "photo 2: narrow dark strap appears attached to the bag; full attachment and adjustment construction are not visible",
                    "stitching_description": "photos 1 and 3: bead rows and decorative lines are visible; underlying seam stitching is not clearly assessable"
                },
                "possible_model_reasoning": [
                    "photo 1: silhouette and seller-stated dimensions support a small-to-medium shoulder bag, but no Coach catalog model is indicated",
                    "photos 1-3: beadwork, zipper-compartment interior, and lack of Coach identifiers favor a generic vintage or modern beaded bag",
                    "photo 1: condition appears generally intact, but the seller states a small flaw is shown in the last photo; exact condition and flaw severity cannot be fully assessed"
                ],
                "confidence": 0.84,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "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": 10,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo 1 front floral face not shown - only bottom\/side views provided",
                    "no creed patch or brand label shown",
                    "no exterior front, back, bottom corners fully shown",
                    "no hardware close-up or zipper brand stamp legible",
                    "no hangtag views"
                ],
                "negative_evidence": [
                    "photo 1, photo 3: entire exterior is glass-bead beadwork, not glove-tanned leather",
                    "photo 2: black shiny satin-like polyester lining, not unlined suede",
                    "photo 2: zip-top closure with silver-tone hardware, no brass turnlock",
                    "photo 1-3: no COACH wordmark, creed patch, hangtag, or horse-and-carriage visible",
                    "photo 2: thin flat shoulder straps with faux-snakeskin finish, not Coach buckle-adjustable leather straps"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone zipper with oval pull (photo 2); no brass turnlock, no stamped hardware visible",
                    "leather_description": "no leather visible; exterior is black beadwork with colored floral bead pattern and dark trim with embossed texture",
                    "lining_description": "photo 2: black smooth synthetic satin-like lining with interior zip pocket",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - beadwork obscures stitching; strap edge stitching not legible",
                    "strap_construction": "photo 2: thin flat black shoulder straps, faux-textured finish, attachment not shown",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Silhouette is a beaded floral zip-top shoulder bag 8x11x5 in per seller - no Coach catalog style uses all-over beadwork construction",
                    "Materials (beads, polyester lining, plated zipper) fall under \u00a71 triage exclusion: beads, plastic, printed polyester lining = coach_probability <=0.05 unless Coach identifier visible, none visible",
                    "Condition: Good to Very Good with small flaw noted by seller at side seam (photo 3: loose threads\/bead loss at edge); full grading capped by missing front and corner views"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.4
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16414,
            "output_tokens": 731,
            "total_tokens": 17145,
            "estimated_cost_usd": 0.00832
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16724,
            "output_tokens": 953,
            "total_tokens": 17677,
            "estimated_cost_usd": 0.004107
        }
    ]
}