Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.02,
    "vintage_probability": 0.16,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.735,
    "seller_misidentification_probability": 0.1,
    "confidence": 0.845,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 6.5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a shoulder handbag with a zippered top and attached strap.",
        "photo 2: Interior appears to use a fabric backing beneath the sequins, with no visible Coach identifier."
    ],
    "negative_evidence": [
        "photo 1: Dense square sequin construction is not characteristic of the leather or signature-canvas Coach styles in the reference catalog.",
        "photo 1: No visible Coach wordmark, carriage, hangtag, creed patch, or recognizable Coach hardware.",
        "photo 4: Strap has extensively peeling or cracking surface coating, inconsistent with a well-preserved glove-tanned Coach leather strap.",
        "photo 2: Visible backing and construction appear textile-based rather than Coach glove-tanned leather.",
        "photo 1,2,3: body is all-over orange square sequins\/beads on fabric, not glove-tanned leather",
        "photo 1,4,6: no solid brass hardware; silver-tone rings and rivets only",
        "photo 1: no turnlock, no flap, zip-top sequin hobo silhouette matches no Coach catalog style",
        "photo 1-6: no creed patch, no COACH wordmark, no hangtag visible",
        "photo 4,6: strap is bonded\/faux leather with extensive peeling\/flaking metallic coating, never used by vintage Coach"
    ],
    "missing_information": [
        "photo 1-6: No clear interior-wall view showing whether a brand label or creed patch exists.",
        "photo 1-6: No straight-on close-up of the zipper pull or any hardware markings.",
        "photo 1-6: Bottom, side, and full interior views are incomplete.",
        "photo 1-6: Seller-stated vintage date, materials, and country of manufacture are unavailable.",
        "photo 1-6: interior not shown, lining and any interior labels\/tags unknown",
        "photo 1-6: no creed patch shown",
        "photo 1-6: no COACH wordmark, hangtag, or branded hardware shown",
        "photo 1: bottom\/side views not shown"
    ],
    "authenticity_concerns": [
        "photo 1-6: The bag lacks any visible Coach identifier and has a decorative sequin construction unlike the likely Coach models.",
        "photo 4: Peeling strap coating suggests synthetic or painted material rather than vintage Coach glove-tanned leather.",
        "photo 2: No creed or serial is visible to support Coach manufacture."
    ],
    "possible_model_reasoning": [
        "No Coach model is a plausible match: the sequin shoulder-bag construction, zipper format, and lack of Coach identifiers do not correspond to the listed classic Coach leather silhouettes.",
        "Condition: Fair\/rehab; the strap has extensive peeling\/cracking of its surface coating in photos 4 and 6. Sequin attachment condition and interior condition are not fully shown.",
        "No Coach identifiers visible in any photo; sequin\/bead construction with peeling faux-leather strap is inconsistent with 1970s-1990s Coach glove-tanned + solid brass construction",
        "Silhouette is zip-top sequin shoulder bag 8x10 per title, no match in Coach classic catalog (City, Willis, Court, Station, Duffle, etc.)",
        "Condition: Fair \/ Rehab \/ Parts; strap coating failed throughout (photo 4,6), body sequins intact but evening-bag type with low resale"
    ],
    "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: Zipper closure and small metal strap attachment hardware are visible; no Coach engraving is visible. photo 5: Two round metal fasteners are visible on the strap attachment.",
        "leather_description": "photo 1 and photo 4: Brown\/orange strap surface appears coated or painted and is extensively peeling; the sequin body is not identifiable as leather.",
        "lining_description": "photo 2: Textile backing\/interior material is visible between the sequins; a full lining and interior pocket are not clearly shown.",
        "strap_construction": "photo 1, photo 4 and photo 6: Narrow shoulder strap attached with stitched tabs and round fasteners; strap coating is severely cracked and peeling.",
        "stitching_description": "photo 4-6: Stitching is visible on the strap tabs and appears functional, but detailed seam quality across the bag is not assessable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0022,
    "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": 0.18,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a shoulder handbag with a zippered top and attached strap.",
                    "photo 2: Interior appears to use a fabric backing beneath the sequins, with no visible Coach identifier."
                ],
                "negative_evidence": [
                    "photo 1: Dense square sequin construction is not characteristic of the leather or signature-canvas Coach styles in the reference catalog.",
                    "photo 1: No visible Coach wordmark, carriage, hangtag, creed patch, or recognizable Coach hardware.",
                    "photo 4: Strap has extensively peeling or cracking surface coating, inconsistent with a well-preserved glove-tanned Coach leather strap.",
                    "photo 2: Visible backing and construction appear textile-based rather than Coach glove-tanned leather."
                ],
                "missing_information": [
                    "photo 1-6: No clear interior-wall view showing whether a brand label or creed patch exists.",
                    "photo 1-6: No straight-on close-up of the zipper pull or any hardware markings.",
                    "photo 1-6: Bottom, side, and full interior views are incomplete.",
                    "photo 1-6: Seller-stated vintage date, materials, and country of manufacture are unavailable."
                ],
                "authenticity_concerns": [
                    "photo 1-6: The bag lacks any visible Coach identifier and has a decorative sequin construction unlike the likely Coach models.",
                    "photo 4: Peeling strap coating suggests synthetic or painted material rather than vintage Coach glove-tanned leather.",
                    "photo 2: No creed or serial is visible to support Coach manufacture."
                ],
                "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: Zipper closure and small metal strap attachment hardware are visible; no Coach engraving is visible. photo 5: Two round metal fasteners are visible on the strap attachment.",
                    "leather_description": "photo 1 and photo 4: Brown\/orange strap surface appears coated or painted and is extensively peeling; the sequin body is not identifiable as leather.",
                    "lining_description": "photo 2: Textile backing\/interior material is visible between the sequins; a full lining and interior pocket are not clearly shown.",
                    "strap_construction": "photo 1, photo 4 and photo 6: Narrow shoulder strap attached with stitched tabs and round fasteners; strap coating is severely cracked and peeling.",
                    "stitching_description": "photo 4-6: Stitching is visible on the strap tabs and appears functional, but detailed seam quality across the bag is not assessable."
                },
                "possible_model_reasoning": [
                    "No Coach model is a plausible match: the sequin shoulder-bag construction, zipper format, and lack of Coach identifiers do not correspond to the listed classic Coach leather silhouettes.",
                    "Condition: Fair\/rehab; the strap has extensive peeling\/cracking of its surface coating in photos 4 and 6. Sequin attachment condition and interior condition are not fully shown."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 8,
                "estimated_resale_low": 8,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 15,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo 1-6: interior not shown, lining and any interior labels\/tags unknown",
                    "photo 1-6: no creed patch shown",
                    "photo 1-6: no COACH wordmark, hangtag, or branded hardware shown",
                    "photo 1: bottom\/side views not shown"
                ],
                "negative_evidence": [
                    "photo 1,2,3: body is all-over orange square sequins\/beads on fabric, not glove-tanned leather",
                    "photo 1,4,6: no solid brass hardware; silver-tone rings and rivets only",
                    "photo 1: no turnlock, no flap, zip-top sequin hobo silhouette matches no Coach catalog style",
                    "photo 1-6: no creed patch, no COACH wordmark, no hangtag visible",
                    "photo 4,6: strap is bonded\/faux leather with extensive peeling\/flaking metallic coating, never used by vintage Coach"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone O-rings and round rivets\/snaps at strap ends; small dark zip pull in photo 1; no brass, no turnlock, no engraved branding visible",
                    "leather_description": "no glove-tanned leather visible; body is sequined\/beaded textile; strap appears faux\/bonded leather with orange metallic coating flaking to white base",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "edge stitching on strap visible in photo 4,5,6; body stitching not visible under sequins",
                    "strap_construction": "single narrow shoulder strap attached via metal rings with riveted tabs; extensive coating loss\/peeling along full length",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifiers visible in any photo; sequin\/bead construction with peeling faux-leather strap is inconsistent with 1970s-1990s Coach glove-tanned + solid brass construction",
                    "Silhouette is zip-top sequin shoulder bag 8x10 per title, no match in Coach classic catalog (City, Willis, Court, Station, Duffle, etc.)",
                    "Condition: Fair \/ Rehab \/ Parts; strap coating failed throughout (photo 4,6), body sequins intact but evening-bag type with low resale"
                ],
                "possible_models": [],
                "recommended_max_bid": 5,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.2
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28782,
            "output_tokens": 825,
            "total_tokens": 29607,
            "estimated_cost_usd": 0.013493
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30095,
            "output_tokens": 1018,
            "total_tokens": 31113,
            "estimated_cost_usd": 0.006833
        }
    ]
}