Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.02,
    "vintage_probability": 0.5,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.765,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.895,
    "recommended_max_bid": 10,
    "estimated_resale_low": 10,
    "estimated_resale_high": 32.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag with a metal frame, clasp closure, interior compartment, and chain shoulder strap.",
        "photo 3: Detailed floral textile\/beaded construction is visible and appears decorative rather than a Coach signature material."
    ],
    "negative_evidence": [
        "photo 4: The front shows an ornate floral embroidered\/beaded frame purse with no visible Coach wordmark, horse-and-carriage, or recognizable Coach construction.",
        "photo 5: The clasp and frame hardware are ornate and silver-tone, unlike the understated brass turnlocks commonly associated with vintage Coach classics.",
        "photo 1: Interior appears to be dark synthetic fabric lining; no Coach creed patch is visible.",
        "photo 2: No creed, serial\/style number, country line, or brand label is visible in the interior.",
        "Listing title and description identify the item as no brand; this is weak supporting context only, not proof.",
        "photo 3: body is floral tapestry\/brocade fabric with bead embroidery, not glove-tanned leather",
        "photo 1: black synthetic\/polyester lining with zip pocket, not unlined suede interior",
        "photo 4: kisslock\/clasp frame with silver-tone metal top handles and thin chain strap, no brass turnlock and no solid-brass hardware",
        "photo 5: kisslock clasp is decorative heart-shaped silver-tone, not Coach turnlock geometry",
        "photo 1, photo 2, photo 4, photo 5: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
    ],
    "missing_information": [
        "photo 1-6: No clear photograph of the entire interior emptied, including all wall pockets and seams where a label might be present.",
        "photo 1-6: No close-up of the reverse side of the clasp, chain attachments, or any hidden maker label.",
        "photo 1-6: Bottom, side seams, and construction details are not fully documented.",
        "No Coach identifiers to verify; no further Coach-specific photos would change determination"
    ],
    "authenticity_concerns": [
        "photo 1, photo 4: The ornate beaded floral textile, framed-purse silhouette, decorative clasp, and chain strap are inconsistent with the cataloged vintage Coach leather handbag lines.",
        "photo 2: The visible synthetic-looking lining and absence of a Coach creed provide no evidence of Coach manufacture."
    ],
    "possible_model_reasoning": [
        "photo 1, photo 4: This is most consistent with a generic vintage embroidered or beaded frame purse, not a Coach model.",
        "photo 4: The kisslock frame and ornate textile decoration do not match listed Coach models such as Dinky, Court, Willis, Station, or Stewardess.",
        "Condition: Very Good based on clean-looking exterior and intact-looking frame and decoration in the available photos; interior and hidden attachment points are incompletely documented.",
        "Silhouette is tapestry kisslock evening bag with top handles and chain strap, not a catalog Coach classic shape from 1970s-1990s",
        "Construction is beaded fabric plus synthetic lining plus plated kisslock hardware, inconsistent with glove-tanned leather plus solid brass plus unlined suede interior of vintage Coach",
        "No hard identifiers of Coach manufacture visible in any of six photos",
        "Condition: Very Good to Excellent as shown; appears clean with no major wear visible (photo 1, photo 4), but odor, bottom corners and full strap condition not fully assessable"
    ],
    "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, photo 4, photo 5: Metal kisslock-style frame with ornate decorative clasp, tubular handles, and a long chain strap; finish appears silver-tone or antiqued metal.",
        "leather_description": "photo 3, photo 4: No leather body is visible; exterior appears to be embroidered\/beaded textile over a dark fabric ground.",
        "lining_description": "photo 1, photo 2: Dark synthetic-looking fabric lining with an interior zip pocket; no label or creed visible.",
        "strap_construction": "photo 1, photo 4: Long decorative metal chain shoulder strap, with tubular metal top handles.",
        "stitching_description": "photo 2, photo 3: Decorative floral embroidery and beadwork are visible; ordinary structural stitching is not sufficiently shown for assessment."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0052,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.65,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag with a metal frame, clasp closure, interior compartment, and chain shoulder strap.",
                    "photo 3: Detailed floral textile\/beaded construction is visible and appears decorative rather than a Coach signature material."
                ],
                "negative_evidence": [
                    "photo 4: The front shows an ornate floral embroidered\/beaded frame purse with no visible Coach wordmark, horse-and-carriage, or recognizable Coach construction.",
                    "photo 5: The clasp and frame hardware are ornate and silver-tone, unlike the understated brass turnlocks commonly associated with vintage Coach classics.",
                    "photo 1: Interior appears to be dark synthetic fabric lining; no Coach creed patch is visible.",
                    "photo 2: No creed, serial\/style number, country line, or brand label is visible in the interior.",
                    "Listing title and description identify the item as no brand; this is weak supporting context only, not proof."
                ],
                "missing_information": [
                    "photo 1-6: No clear photograph of the entire interior emptied, including all wall pockets and seams where a label might be present.",
                    "photo 1-6: No close-up of the reverse side of the clasp, chain attachments, or any hidden maker label.",
                    "photo 1-6: Bottom, side seams, and construction details are not fully documented."
                ],
                "authenticity_concerns": [
                    "photo 1, photo 4: The ornate beaded floral textile, framed-purse silhouette, decorative clasp, and chain strap are inconsistent with the cataloged vintage Coach leather handbag lines.",
                    "photo 2: The visible synthetic-looking lining and absence of a Coach creed provide no evidence of 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, photo 4, photo 5: Metal kisslock-style frame with ornate decorative clasp, tubular handles, and a long chain strap; finish appears silver-tone or antiqued metal.",
                    "leather_description": "photo 3, photo 4: No leather body is visible; exterior appears to be embroidered\/beaded textile over a dark fabric ground.",
                    "lining_description": "photo 1, photo 2: Dark synthetic-looking fabric lining with an interior zip pocket; no label or creed visible.",
                    "strap_construction": "photo 1, photo 4: Long decorative metal chain shoulder strap, with tubular metal top handles.",
                    "stitching_description": "photo 2, photo 3: Decorative floral embroidery and beadwork are visible; ordinary structural stitching is not sufficiently shown for assessment."
                },
                "possible_model_reasoning": [
                    "photo 1, photo 4: This is most consistent with a generic vintage embroidered or beaded frame purse, not a Coach model.",
                    "photo 4: The kisslock frame and ornate textile decoration do not match listed Coach models such as Dinky, Court, Willis, Station, or Stewardess.",
                    "Condition: Very Good based on clean-looking exterior and intact-looking frame and decoration in the available photos; interior and hidden attachment points are incompletely documented."
                ],
                "confidence": 0.91,
                "recommended_max_bid": 12,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "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": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "No Coach identifiers to verify; no further Coach-specific photos would change determination"
                ],
                "negative_evidence": [
                    "photo 3: body is floral tapestry\/brocade fabric with bead embroidery, not glove-tanned leather",
                    "photo 1: black synthetic\/polyester lining with zip pocket, not unlined suede interior",
                    "photo 4: kisslock\/clasp frame with silver-tone metal top handles and thin chain strap, no brass turnlock and no solid-brass hardware",
                    "photo 5: kisslock clasp is decorative heart-shaped silver-tone, not Coach turnlock geometry",
                    "photo 1, photo 2, photo 4, photo 5: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone kisslock frame with perforated edge, heart-shaped clasp plate with studs, rigid top handles and thin chain shoulder strap",
                    "leather_description": "no leather visible; woven floral tapestry fabric with beadwork in red\/gold\/green on dark ground",
                    "lining_description": "black synthetic woven lining, interior zip pocket visible in photo 1",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "interior machine stitching along lining edge visible in photo 2; exterior stitching not_visible under frame",
                    "strap_construction": "rigid metal top handles plus detachable thin silver-tone chain shoulder strap",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Silhouette is tapestry kisslock evening bag with top handles and chain strap, not a catalog Coach classic shape from 1970s-1990s",
                    "Construction is beaded fabric plus synthetic lining plus plated kisslock hardware, inconsistent with glove-tanned leather plus solid brass plus unlined suede interior of vintage Coach",
                    "No hard identifiers of Coach manufacture visible in any of six photos",
                    "Condition: Very Good to Excellent as shown; appears clean with no major wear visible (photo 1, photo 4), but odor, bottom corners and full strap condition not fully assessable"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.35
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17709,
            "output_tokens": 855,
            "total_tokens": 18564,
            "estimated_cost_usd": 0.009136
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18048,
            "output_tokens": 1314,
            "total_tokens": 19362,
            "estimated_cost_usd": 0.004661
        }
    ]
}