Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.185,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.76,
    "seller_misidentification_probability": 0.04,
    "confidence": 0.9,
    "recommended_max_bid": 9,
    "estimated_resale_low": 6.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag with a flap, snap closure, and decorative shoulder chain.",
        "photo 6: The bag measures approximately 9 inches across and has a small evening-purse format.",
        "photo 1: Decorative blue floral bead and sequin embroidery is visible."
    ],
    "negative_evidence": [
        "photo 1: The exterior is satin or textile rather than Coach glove-tanned leather or Coach signature canvas.",
        "photo 2: The strap is a thin silver-tone decorative chain, not a typical vintage Coach leather strap with brass fittings.",
        "photo 4: The closure is a generic snap rather than a Coach turnlock.",
        "photo 5: The interior is cream-colored synthetic fabric with a zipper pocket and braided cord, not a visible vintage Coach construction.",
        "photo 1: No COACH wordmark, horse-and-carriage, leather hangtag, or other Coach identifier is visible.",
        "photo 3: The plain satin back and decorative beading are consistent with a generic formal or evening bag.",
        "photo 1: blue satin fabric body with beaded floral embroidery - Coach vintage is glove-tanned leather, never satin beaded",
        "photo 2: thin silver-tone chain strap - not Coach brass dogleash or leather strap",
        "photo 4: magnetic snap closure, not Coach turnlock geometry",
        "photo 5: off-white synthetic polyester lining with plastic zipper - not unlined suede glove-tanned interior",
        "photo 3: plain satin back with no creed patch, no hangtag, no wordmark"
    ],
    "missing_information": [
        "photo 5: No interior creed patch, brand label, or fabric tag is shown.",
        "photo 2: The chain attachment hardware and any maker markings are not shown closely.",
        "The listing does not provide a manufacturer or material label.",
        "No brand label or fabric tag shown in close-up - photo 5 shows interior but no maker tag visible",
        "No hardware engravings shown"
    ],
    "authenticity_concerns": [
        "The textile construction, decorative beading, synthetic lining, silver-tone chain, and snap closure are inconsistent with the classic vintage Coach handbag population.",
        "No Coach identifier is visible in any provided photo; this appears to be a non-Coach formal evening bag rather than a Coach lookalike with a missing identifier."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match because the bag is a small beaded satin evening purse with a chain strap, not a leather Coach silhouette.",
        "photo 6: Approximate 9-inch width supports a small formal handbag classification, but provides no Coach model evidence.",
        "Condition: Very Good based on the seller-described light wear and generally intact visible exterior; interior condition and odor are not fully assessable from photos.",
        "No Coach silhouette, leather, hardware, lining or identifier matches; satin beaded evening bag with chain and snap is outside all Coach catalog lines 1970s-2026",
        "Condition: Very Good to Excellent for an evening bag; light wear only per seller, beading intact in photos, satin appears clean (photos 1,3,6)"
    ],
    "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 and photo 4: Silver-tone decorative chain strap and generic snap fasteners; no Coach engraving visible.",
        "leather_description": "photo 1 and photo 3: Blue satin or textile exterior; leather is not visible.",
        "lining_description": "photo 5: Cream-colored synthetic or textile lining with a zippered interior compartment; exact fiber is not visible.",
        "strap_construction": "photo 2 and photo 3: Thin silver-tone chain shoulder strap attached at side rings.",
        "stitching_description": "photo 1, photo 3, and photo 4: Visible machine stitching appears generally even; detailed stress-point stitching is not assessable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.002,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.22,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.87,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag with a flap, snap closure, and decorative shoulder chain.",
                    "photo 6: The bag measures approximately 9 inches across and has a small evening-purse format.",
                    "photo 1: Decorative blue floral bead and sequin embroidery is visible."
                ],
                "negative_evidence": [
                    "photo 1: The exterior is satin or textile rather than Coach glove-tanned leather or Coach signature canvas.",
                    "photo 2: The strap is a thin silver-tone decorative chain, not a typical vintage Coach leather strap with brass fittings.",
                    "photo 4: The closure is a generic snap rather than a Coach turnlock.",
                    "photo 5: The interior is cream-colored synthetic fabric with a zipper pocket and braided cord, not a visible vintage Coach construction.",
                    "photo 1: No COACH wordmark, horse-and-carriage, leather hangtag, or other Coach identifier is visible.",
                    "photo 3: The plain satin back and decorative beading are consistent with a generic formal or evening bag."
                ],
                "missing_information": [
                    "photo 5: No interior creed patch, brand label, or fabric tag is shown.",
                    "photo 2: The chain attachment hardware and any maker markings are not shown closely.",
                    "The listing does not provide a manufacturer or material label."
                ],
                "authenticity_concerns": [
                    "The textile construction, decorative beading, synthetic lining, silver-tone chain, and snap closure are inconsistent with the classic vintage Coach handbag population.",
                    "No Coach identifier is visible in any provided photo; this appears to be a non-Coach formal evening bag rather than a Coach lookalike with a missing identifier."
                ],
                "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 and photo 4: Silver-tone decorative chain strap and generic snap fasteners; no Coach engraving visible.",
                    "leather_description": "photo 1 and photo 3: Blue satin or textile exterior; leather is not visible.",
                    "lining_description": "photo 5: Cream-colored synthetic or textile lining with a zippered interior compartment; exact fiber is not visible.",
                    "strap_construction": "photo 2 and photo 3: Thin silver-tone chain shoulder strap attached at side rings.",
                    "stitching_description": "photo 1, photo 3, and photo 4: Visible machine stitching appears generally even; detailed stress-point stitching is not assessable."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match because the bag is a small beaded satin evening purse with a chain strap, not a leather Coach silhouette.",
                    "photo 6: Approximate 9-inch width supports a small formal handbag classification, but provides no Coach model evidence.",
                    "Condition: Very Good based on the seller-described light wear and generally intact visible exterior; interior condition and odor are not fully assessable from photos."
                ],
                "confidence": 0.92,
                "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": 8,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No brand label or fabric tag shown in close-up - photo 5 shows interior but no maker tag visible",
                    "No hardware engravings shown"
                ],
                "negative_evidence": [
                    "photo 1: blue satin fabric body with beaded floral embroidery - Coach vintage is glove-tanned leather, never satin beaded",
                    "photo 2: thin silver-tone chain strap - not Coach brass dogleash or leather strap",
                    "photo 4: magnetic snap closure, not Coach turnlock geometry",
                    "photo 5: off-white synthetic polyester lining with plastic zipper - not unlined suede glove-tanned interior",
                    "photo 3: plain satin back with no creed patch, no hangtag, no wordmark"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone thin link chain shoulder strap and silver-tone magnetic snap closure; no brass, no turnlock, no engravings visible",
                    "leather_description": "no leather visible; blue satin \/ satin-like fabric with beaded and embroidered floral motif on flap",
                    "lining_description": "off-white \/ cream synthetic polyester lining visible in photo 5 with interior zip pocket with plastic zipper",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching around flap edge, thread matched to blue fabric",
                    "strap_construction": "thin silver-tone metal chain shoulder strap attached with small metal rings",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach silhouette, leather, hardware, lining or identifier matches; satin beaded evening bag with chain and snap is outside all Coach catalog lines 1970s-2026",
                    "Condition: Very Good to Excellent for an evening bag; light wear only per seller, beading intact in photos, satin appears clean (photos 1,3,6)"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.05,
                "vintage_probability": 0.15
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17863,
            "output_tokens": 783,
            "total_tokens": 18646,
            "estimated_cost_usd": 0.009024
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18201,
            "output_tokens": 1072,
            "total_tokens": 19273,
            "estimated_cost_usd": 0.004498
        }
    ]
}