Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.02,
    "vintage_probability": 0.64,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.715,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.87,
    "recommended_max_bid": 12.5,
    "estimated_resale_low": 10,
    "estimated_resale_high": 32.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag with a structured floral needlepoint\/petit-point body, metal frame, kiss-lock closure, and shoulder chain.",
        "photo 2: Interior and frame are visible; the bag has a fabric lining and a framed kiss-lock construction."
    ],
    "negative_evidence": [
        "photo 1: The floral needlepoint textile body and ornate framed construction do not resemble Coach's typical leather, canvas, or documented vintage silhouettes.",
        "photo 2: No Coach creed patch, wordmark, horse-and-carriage mark, or serial\/style number is visible.",
        "photo 2: The lining is fabric and the frame closure appears generic rather than a Coach turnlock.",
        "photo 3: No Coach branding is visible on the reverse or exterior.",
        "photo 4: Side construction shows a textile-covered structured purse with no visible Coach-specific leather construction.",
        "photo 1: body is floral petit-point needlepoint tapestry, not glove-tanned cowhide - Coach vintage classics are solid leather",
        "photo 1, photo 3, photo 4: kisslock frame purse with ball clasps, not Coach turnlock flap construction",
        "photo 2: shiny satin lining with center slip pocket, not unlined suede-back glove-tanned interior",
        "photo 1, photo 2: thin gold-tone snake-chain shoulder strap, not leather strap with brass dogleash clips or buckle",
        "photo 1-4: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible"
    ],
    "missing_information": [
        "A straight-on interior photo showing all lining walls, pockets, labels, and seams.",
        "Close-up photos of both sides of the frame, clasp, chain attachments, and any hidden maker marks.",
        "Clear photos of the bottom, interior label, and any stamps or tags.",
        "No Coach creed patch visible - photo 2 shows satin lining with no leather creed patch",
        "No hangtag, wordmark, or hardware stamps shown",
        "No bottom, back, or dimensions shown"
    ],
    "authenticity_concerns": [
        "No Coach identifiers are visible, and the materials and kiss-lock needlepoint construction are inconsistent with the documented Coach vintage handbag population.",
        "The seller's unbranded designation is consistent with the photos; there is no visible evidence of a misidentified Coach bag."
    ],
    "possible_model_reasoning": [
        "The bag is best categorized as a vintage-style floral needlepoint or petit-point framed purse, not a recognizable Coach model.",
        "The kiss-lock frame, chain strap, and textile construction fit generic mid-century or later evening-purse designs; they do not match Coach's listed classic leather models.",
        "Condition appears Very Good from the visible exterior: textile design is intact with no obvious holes, major stains, or broken frame; the interior has light visible marks. Bottom and hardware function are not fully demonstrated.",
        "Coach probability is kept very low because no Coach identifier is visible and the construction is outside the typical Coach reference profile.",
        "No Coach model fits: silhouette is a framed needlepoint kisslock evening bag, not a catalog leather turnlock, zip, or magnetic style like Willis (9927), Court (9870), Dinky (9375)",
        "Materials rule out Coach glove-tanned era: tapestry body + satin lining + plated frame vs unlined leather + solid brass",
        "Condition: Very Good to Excellent for what it is; tapestry looks clean and bright (photo 1, photo 3), lining clean (photo 2), frame with light wear; interior fully shown so lining known"
    ],
    "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": "Photos 1-4 show a gold-tone metal kiss-lock frame, round clasp balls, and a thin gold-tone snake-style shoulder chain; no Coach engraving is visible.",
        "leather_description": "not leather - woven needlepoint \/ tapestry textile with all-over floral pattern on beige ground",
        "lining_description": "Photo 2 shows a light beige fabric lining with an interior slip pocket; material appears textile rather than leather.",
        "strap_construction": "Photos 1 and 3 show a thin gold-tone chain strap attached at the upper frame corners.",
        "stitching_description": "Photos 1, 3, and 4 show textile needlepoint\/petit-point panels with perimeter fabric binding; individual seam stitching is not clearly assessable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0034,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.78,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag with a structured floral needlepoint\/petit-point body, metal frame, kiss-lock closure, and shoulder chain.",
                    "photo 2: Interior and frame are visible; the bag has a fabric lining and a framed kiss-lock construction."
                ],
                "negative_evidence": [
                    "photo 1: The floral needlepoint textile body and ornate framed construction do not resemble Coach's typical leather, canvas, or documented vintage silhouettes.",
                    "photo 2: No Coach creed patch, wordmark, horse-and-carriage mark, or serial\/style number is visible.",
                    "photo 2: The lining is fabric and the frame closure appears generic rather than a Coach turnlock.",
                    "photo 3: No Coach branding is visible on the reverse or exterior.",
                    "photo 4: Side construction shows a textile-covered structured purse with no visible Coach-specific leather construction."
                ],
                "missing_information": [
                    "A straight-on interior photo showing all lining walls, pockets, labels, and seams.",
                    "Close-up photos of both sides of the frame, clasp, chain attachments, and any hidden maker marks.",
                    "Clear photos of the bottom, interior label, and any stamps or tags."
                ],
                "authenticity_concerns": [
                    "No Coach identifiers are visible, and the materials and kiss-lock needlepoint construction are inconsistent with the documented Coach vintage handbag population.",
                    "The seller's unbranded designation is consistent with the photos; there is no visible evidence of a misidentified 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": "Photos 1-4 show a gold-tone metal kiss-lock frame, round clasp balls, and a thin gold-tone snake-style shoulder chain; no Coach engraving is visible.",
                    "leather_description": "not_visible",
                    "lining_description": "Photo 2 shows a light beige fabric lining with an interior slip pocket; material appears textile rather than leather.",
                    "strap_construction": "Photos 1 and 3 show a thin gold-tone chain strap attached at the upper frame corners.",
                    "stitching_description": "Photos 1, 3, and 4 show textile needlepoint\/petit-point panels with perimeter fabric binding; individual seam stitching is not clearly assessable."
                },
                "possible_model_reasoning": [
                    "The bag is best categorized as a vintage-style floral needlepoint or petit-point framed purse, not a recognizable Coach model.",
                    "The kiss-lock frame, chain strap, and textile construction fit generic mid-century or later evening-purse designs; they do not match Coach's listed classic leather models.",
                    "Condition appears Very Good from the visible exterior: textile design is intact with no obvious holes, major stains, or broken frame; the interior has light visible marks. Bottom and hardware function are not fully demonstrated.",
                    "Coach probability is kept very low because no Coach identifier is visible and the construction is outside the typical Coach reference profile."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 40
            }
        },
        {
            "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": [
                    "No Coach creed patch visible - photo 2 shows satin lining with no leather creed patch",
                    "No hangtag, wordmark, or hardware stamps shown",
                    "No bottom, back, or dimensions shown"
                ],
                "negative_evidence": [
                    "photo 1: body is floral petit-point needlepoint tapestry, not glove-tanned cowhide - Coach vintage classics are solid leather",
                    "photo 1, photo 3, photo 4: kisslock frame purse with ball clasps, not Coach turnlock flap construction",
                    "photo 2: shiny satin lining with center slip pocket, not unlined suede-back glove-tanned interior",
                    "photo 1, photo 2: thin gold-tone snake-chain shoulder strap, not leather strap with brass dogleash clips or buckle",
                    "photo 1-4: 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": "gold-tone kisslock frame with round ball clasps and thin gold-tone snake-chain shoulder strap; plated costume jewelry tone, not solid brass turnlock hardware",
                    "leather_description": "not leather - woven needlepoint \/ tapestry textile with all-over floral pattern on beige ground",
                    "lining_description": "light beige \/ champagne satin lining with single slip pocket visible in photo 2",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - needlepoint weave only, no leather stitching visible",
                    "strap_construction": "thin gold-tone metal snake-chain shoulder strap attached to frame ends",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: silhouette is a framed needlepoint kisslock evening bag, not a catalog leather turnlock, zip, or magnetic style like Willis (9927), Court (9870), Dinky (9375)",
                    "Materials rule out Coach glove-tanned era: tapestry body + satin lining + plated frame vs unlined leather + solid brass",
                    "Condition: Very Good to Excellent for what it is; tapestry looks clean and bright (photo 1, photo 3), lining clean (photo 2), frame with light wear; interior fully shown so lining known"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.5
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18705,
            "output_tokens": 768,
            "total_tokens": 19473,
            "estimated_cost_usd": 0.009325
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 19252,
            "output_tokens": 1342,
            "total_tokens": 20594,
            "estimated_cost_usd": 0.004924
        }
    ]
}