Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.02,
    "vintage_probability": 0.525,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.79,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.905,
    "recommended_max_bid": 8,
    "estimated_resale_low": 10,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag-sized evening clutch with a shoulder chain and structured frame.",
        "photo 6: Seller-provided measurements are approximately 8 inches wide by 6 inches high with a 2-inch depth."
    ],
    "negative_evidence": [
        "photo 1: Exterior is covered in black and gold glass\/plastic-style beads rather than Coach's characteristic leather, suede, or documented signature canvas.",
        "photo 2: Close-up shows a zigzag beaded textile design with no visible COACH wordmark, carriage, hangtag, or leather identifier.",
        "photo 3: Interior appears to be black synthetic fabric with a framed kisslock-style construction, not a typical vintage Coach leather interior.",
        "photo 4: Hardware and chain are generic gold-tone components; no Coach engraving is visible.",
        "photo 5: The bag's beaded evening-clutch construction is not a recognizable Coach model silhouette.",
        "photo 1: all-over glass beading in black and gold zigzag, not glove-tanned cowhide",
        "photo 1-5: kisslock frame clutch with thin chain strap, no turnlock, no leather hangtag",
        "photo 3-4: black satin lining with slip pocket, no creed patch visible",
        "photo 1-5: no COACH wordmark or horse-and-carriage visible on exterior, interior or hardware"
    ],
    "missing_information": [
        "photo 3: No readable brand label, creed patch, or interior fabric tag is shown.",
        "photo 2: No dedicated close-up of all hardware markings or clasp engraving.",
        "photo 1: Bottom, side seams, and any reverse-side label are not shown.",
        "photo 3: Lining material and any odor or mold cannot be fully assessed from photos.",
        "brand label inside frame or lining not shown in close-up if present"
    ],
    "authenticity_concerns": [
        "photo 1: Materials and construction strongly indicate a generic beaded evening bag rather than a Coach product.",
        "photo 2: No Coach identifier is visible despite a close-up exterior photo.",
        "photo 3: The synthetic-looking lining and framed clutch construction are inconsistent with the vintage glove-tanned Coach handbag population.",
        "photo 1-5: beaded textile body and kisslock frame inconsistent with Coach glove-tanned leather construction",
        "photo 3-4: satin lining with no creed patch visible inconsistent with Coach classics"
    ],
    "possible_model_reasoning": [
        "photo 1: The rectangular framed silhouette, kisslock closure, beadwork, and chain are consistent with a generic vintage or retro evening clutch, not a listed Coach model.",
        "photo 6: The approximately 8-by-6-inch dimensions support an evening-clutch classification.",
        "photo 3: Visible lining wear suggests pre-owned condition approximately Good, but the interior is not fully documented.",
        "No serial or creed is visible, and no Coach model can be reasonably matched.",
        "Not a Coach silhouette, material, or construction: Coach vintage is unlined glove-tanned leather with brass turnlock; this is a beaded evening kisslock clutch with satin lining",
        "Condition: Good to Very Good; beading appears largely intact in photos, lining shows light wear and small marks photo 3, frame has light tarnish"
    ],
    "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: Gold-tone metal frame, kisslock-style closure, and fine chain shoulder strap; no brand engraving visible.",
        "leather_description": "photo 1: No leather is visible; exterior is densely covered with black and gold beads.",
        "lining_description": "photo 3: Black synthetic-looking fabric lining with an interior slip pocket; condition shows visible wear and discoloration.",
        "strap_construction": "photos 1 and 5: Fine gold-tone chain attached at the upper sides; chain can apparently be tucked inside the bag.",
        "stitching_description": "photos 2-4: Beadwork and lining seams are visible, but stitching quality is not sufficiently clear for detailed assessment."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0014,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.55,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag-sized evening clutch with a shoulder chain and structured frame.",
                    "photo 6: Seller-provided measurements are approximately 8 inches wide by 6 inches high with a 2-inch depth."
                ],
                "negative_evidence": [
                    "photo 1: Exterior is covered in black and gold glass\/plastic-style beads rather than Coach's characteristic leather, suede, or documented signature canvas.",
                    "photo 2: Close-up shows a zigzag beaded textile design with no visible COACH wordmark, carriage, hangtag, or leather identifier.",
                    "photo 3: Interior appears to be black synthetic fabric with a framed kisslock-style construction, not a typical vintage Coach leather interior.",
                    "photo 4: Hardware and chain are generic gold-tone components; no Coach engraving is visible.",
                    "photo 5: The bag's beaded evening-clutch construction is not a recognizable Coach model silhouette."
                ],
                "missing_information": [
                    "photo 3: No readable brand label, creed patch, or interior fabric tag is shown.",
                    "photo 2: No dedicated close-up of all hardware markings or clasp engraving.",
                    "photo 1: Bottom, side seams, and any reverse-side label are not shown.",
                    "photo 3: Lining material and any odor or mold cannot be fully assessed from photos."
                ],
                "authenticity_concerns": [
                    "photo 1: Materials and construction strongly indicate a generic beaded evening bag rather than a Coach product.",
                    "photo 2: No Coach identifier is visible despite a close-up exterior photo.",
                    "photo 3: The synthetic-looking lining and framed clutch construction are inconsistent with the vintage glove-tanned Coach handbag population."
                ],
                "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: Gold-tone metal frame, kisslock-style closure, and fine chain shoulder strap; no brand engraving visible.",
                    "leather_description": "photo 1: No leather is visible; exterior is densely covered with black and gold beads.",
                    "lining_description": "photo 3: Black synthetic-looking fabric lining with an interior slip pocket; condition shows visible wear and discoloration.",
                    "strap_construction": "photos 1 and 5: Fine gold-tone chain attached at the upper sides; chain can apparently be tucked inside the bag.",
                    "stitching_description": "photos 2-4: Beadwork and lining seams are visible, but stitching quality is not sufficiently clear for detailed assessment."
                },
                "possible_model_reasoning": [
                    "photo 1: The rectangular framed silhouette, kisslock closure, beadwork, and chain are consistent with a generic vintage or retro evening clutch, not a listed Coach model.",
                    "photo 6: The approximately 8-by-6-inch dimensions support an evening-clutch classification.",
                    "photo 3: Visible lining wear suggests pre-owned condition approximately Good, but the interior is not fully documented.",
                    "No serial or creed is visible, and no Coach model can be reasonably matched."
                ],
                "confidence": 0.91,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-5: beaded textile body and kisslock frame inconsistent with Coach glove-tanned leather construction",
                    "photo 3-4: satin lining with no creed patch visible inconsistent with Coach classics"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "brand label inside frame or lining not shown in close-up if present"
                ],
                "negative_evidence": [
                    "photo 1: all-over glass beading in black and gold zigzag, not glove-tanned cowhide",
                    "photo 1-5: kisslock frame clutch with thin chain strap, no turnlock, no leather hangtag",
                    "photo 3-4: black satin lining with slip pocket, no creed patch visible",
                    "photo 1-5: no COACH wordmark or horse-and-carriage visible on exterior, interior or hardware"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone kisslock frame clasp and thin gold-tone chain strap, photo 2 and photo 5",
                    "leather_description": "no leather visible; exterior is black and gold glass beading over fabric base",
                    "lining_description": "black satin-like fabric lining with small slip pocket, photo 3 and photo 4",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible; beaded construction only",
                    "strap_construction": "thin gold-tone metal chain shoulder strap attached to frame ends, can be tucked inside per seller",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Not a Coach silhouette, material, or construction: Coach vintage is unlined glove-tanned leather with brass turnlock; this is a beaded evening kisslock clutch with satin lining",
                    "Condition: Good to Very Good; beading appears largely intact in photos, lining shows light wear and small marks photo 3, frame has light tarnish"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.5
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17725,
            "output_tokens": 777,
            "total_tokens": 18502,
            "estimated_cost_usd": 0.008955
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18057,
            "output_tokens": 1181,
            "total_tokens": 19238,
            "estimated_cost_usd": 0.004556
        }
    ]
}