Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.055,
    "vintage_probability": 0.69,
    "authenticity_confidence": 0.055,
    "image_quality_score": 0.79,
    "seller_misidentification_probability": 0.38,
    "confidence": 0.81,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 17.5,
    "estimated_resale_high": 47.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Leather handbag with substantial gold-tone frame hardware and a vintage-style silhouette.",
        "photo 4: Red leather appears genuine rather than obviously synthetic, with visible grain and age-related wear.",
        "photo 2: Multiple compartments and a framed closure are consistent with older handbag construction.",
        "photo 1,4,6: leather shoulder handbag of vintage appearance consistent with population where misidentified Coach could hide"
    ],
    "negative_evidence": [
        "photo 1: No visible COACH wordmark, horse-and-carriage, or Coach hangtag.",
        "photo 2: No visible interior creed patch, country line, or serial\/style number.",
        "photo 4: Large decorative gold-tone D-shaped strap fittings do not resemble the classic Coach turnlock geometry.",
        "photo 2: Fabric-lined framed interior and kisslock-style construction are not strong evidence for a vintage Coach classic.",
        "photo 5: Hardware appears bright\/plated and heavily decorative rather than the understated solid-brass hardware typical of many vintage Coach classics.",
        "photo 2: fully fabric-lined interior with center zip divider - vintage Coach classics are unlined suede-back glove-tanned, not fabric-lined",
        "photos 1-6: kisslock \/ snap frame with three-compartment expandable silhouette - no Coach turnlock flap and no catalog match to City Bag, Willis, Court, Station, Dinky or other classics",
        "photos 1,4,5: D-shaped gold-tone strap hardware and rectangular frame clasp - not Coach solid-brass turnlock \/ dogleash \/ buckle geometry",
        "photos 1-6: no COACH wordmark, no horse-and-carriage, no leather creed patch, no hangtag visible",
        "photo 2: thin tan synthetic-like lining with simple zip pocket - not Coach glove-tanned suede interior with creed on back wall"
    ],
    "missing_information": [
        "photo 2: Interior back wall and all pockets should be photographed closely to confirm whether any brand label or creed is present.",
        "A straight-on close-up of every interior label, zipper pull, clasp, and hardware stamp is needed.",
        "Bottom, corners, strap attachment points, and lining condition should be shown in detail.",
        "Seller-stated brand or any provenance is not provided.",
        "photo of any interior leather creed patch or brand stamp in raking light - none shown",
        "photo of hardware engravings \/ zipper-pull brand mark",
        "photo of bottom corners and back panel for condition grading",
        "seller-stated dimensions already given; scale confirmation not needed"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible anywhere in the supplied photos, making this most consistent with a generic vintage leather handbag rather than an identifiable Coach bag.",
        "The framed kisslock construction, decorative D-shaped fittings, and lined interior do not provide a convincing match to the listed classic Coach models."
    ],
    "possible_model_reasoning": [
        "No listed Coach model is a reasonable match because the bag lacks a visible Coach identifier and has a framed multi-compartment construction unlike the principal catalog silhouettes reviewed.",
        "photo 2: The frame-and-compartment design may be from a generic vintage handbag maker; the maker cannot be determined from the available views.",
        "Condition: Good; substantial surface wear, dryness, creasing, and hardware scratches are visible (photos 1, 4, 5, 6). Interior appears intact in photo 2, but odor, hidden stains, and full lining condition are unknown.",
        "No Coach model fits: three-compartment kisslock-frame shoulder bag with fabric lining and D-ring strap mounts does not match any Classic glove-tanned era style; turnlock, unlined interior, creed and brass dogleash cues all absent",
        "Era reasoning: construction with fabric lining and plated frame hardware points away from 1975-1993 NYC\/US Coach; no identifier to date, assessed as non-Coach vintage-style bag",
        "Condition: Good; visible surface wear, scuffs, edge rubbing and handle wear noted by seller and seen in photos 1,5,6; needs cleaning\/conditioning; interior not fully shown so capped"
    ],
    "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 framed kisslock closure and large D-shaped strap fittings; visible surface wear and scratches on the metal. No Coach engraving is visible.",
        "leather_description": "photos 1, 4, 5, 6: Red leather with visible grain, creasing, scuffing, and areas of dryness or finish loss, especially near the strap and edges.",
        "lining_description": "photo 2: Tan fabric-lined interior with a central zippered compartment and multiple framed sections; no brand label is visible.",
        "strap_construction": "photos 1, 4, 5, 6: Two wide red leather shoulder straps attached with stitched tabs and gold-tone D-shaped fittings; wear and finish loss are visible on the straps.",
        "stitching_description": "photos 1, 4, 5, 6: Generally visible, even tonal stitching around the body, trim, and straps; some wear and darkening are present."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0185,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.07,
                "vintage_probability": 0.78,
                "authenticity_confidence": 0.06,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.72,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Leather handbag with substantial gold-tone frame hardware and a vintage-style silhouette.",
                    "photo 4: Red leather appears genuine rather than obviously synthetic, with visible grain and age-related wear.",
                    "photo 2: Multiple compartments and a framed closure are consistent with older handbag construction."
                ],
                "negative_evidence": [
                    "photo 1: No visible COACH wordmark, horse-and-carriage, or Coach hangtag.",
                    "photo 2: No visible interior creed patch, country line, or serial\/style number.",
                    "photo 4: Large decorative gold-tone D-shaped strap fittings do not resemble the classic Coach turnlock geometry.",
                    "photo 2: Fabric-lined framed interior and kisslock-style construction are not strong evidence for a vintage Coach classic.",
                    "photo 5: Hardware appears bright\/plated and heavily decorative rather than the understated solid-brass hardware typical of many vintage Coach classics."
                ],
                "missing_information": [
                    "photo 2: Interior back wall and all pockets should be photographed closely to confirm whether any brand label or creed is present.",
                    "A straight-on close-up of every interior label, zipper pull, clasp, and hardware stamp is needed.",
                    "Bottom, corners, strap attachment points, and lining condition should be shown in detail.",
                    "Seller-stated brand or any provenance is not provided."
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible anywhere in the supplied photos, making this most consistent with a generic vintage leather handbag rather than an identifiable Coach bag.",
                    "The framed kisslock construction, decorative D-shaped fittings, and lined interior do not provide a convincing match to the listed classic Coach models."
                ],
                "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 framed kisslock closure and large D-shaped strap fittings; visible surface wear and scratches on the metal. No Coach engraving is visible.",
                    "leather_description": "photos 1, 4, 5, 6: Red leather with visible grain, creasing, scuffing, and areas of dryness or finish loss, especially near the strap and edges.",
                    "lining_description": "photo 2: Tan fabric-lined interior with a central zippered compartment and multiple framed sections; no brand label is visible.",
                    "strap_construction": "photos 1, 4, 5, 6: Two wide red leather shoulder straps attached with stitched tabs and gold-tone D-shaped fittings; wear and finish loss are visible on the straps.",
                    "stitching_description": "photos 1, 4, 5, 6: Generally visible, even tonal stitching around the body, trim, and straps; some wear and darkening are present."
                },
                "possible_model_reasoning": [
                    "No listed Coach model is a reasonable match because the bag lacks a visible Coach identifier and has a framed multi-compartment construction unlike the principal catalog silhouettes reviewed.",
                    "photo 2: The frame-and-compartment design may be from a generic vintage handbag maker; the maker cannot be determined from the available views.",
                    "Condition: Good; substantial surface wear, dryness, creasing, and hardware scratches are visible (photos 1, 4, 5, 6). Interior appears intact in photo 2, but odor, hidden stains, and full lining condition are unknown."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 15,
                "estimated_resale_low": 20,
                "estimated_resale_high": 60
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.05,
                "coach_probability": 0.04,
                "confidence": 0.78,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.72,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of any interior leather creed patch or brand stamp in raking light - none shown",
                    "photo of hardware engravings \/ zipper-pull brand mark",
                    "photo of bottom corners and back panel for condition grading",
                    "seller-stated dimensions already given; scale confirmation not needed"
                ],
                "negative_evidence": [
                    "photo 2: fully fabric-lined interior with center zip divider - vintage Coach classics are unlined suede-back glove-tanned, not fabric-lined",
                    "photos 1-6: kisslock \/ snap frame with three-compartment expandable silhouette - no Coach turnlock flap and no catalog match to City Bag, Willis, Court, Station, Dinky or other classics",
                    "photos 1,4,5: D-shaped gold-tone strap hardware and rectangular frame clasp - not Coach solid-brass turnlock \/ dogleash \/ buckle geometry",
                    "photos 1-6: no COACH wordmark, no horse-and-carriage, no leather creed patch, no hangtag visible",
                    "photo 2: thin tan synthetic-like lining with simple zip pocket - not Coach glove-tanned suede interior with creed on back wall"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone frame for center compartment with snap\/clasp closure and D-shaped rings attaching double shoulder straps; bright plated appearance, not solid vintage brass turnlock",
                    "leather_description": "red smooth leather with sheen and surface wear, scuffs and dry patches visible in photos 1,4,5,6; not the matte glove-tanned full-grain with natural scars described for vintage Coach",
                    "lining_description": "tan fabric lining in center compartment with interior zip pocket visible in photo 2; side compartments not shown emptied",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-on-tone edge stitching visible on front yoke and straps in photos 4,5; even but no detail of stress points visible",
                    "strap_construction": "double fixed-length top\/shoulder straps in same red leather attached via D-rings and small plates, strap drop seller-states 12 inches",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1,4,6: leather shoulder handbag of vintage appearance consistent with population where misidentified Coach could hide"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: three-compartment kisslock-frame shoulder bag with fabric lining and D-ring strap mounts does not match any Classic glove-tanned era style; turnlock, unlined interior, creed and brass dogleash cues all absent",
                    "Era reasoning: construction with fabric lining and plated frame hardware points away from 1975-1993 NYC\/US Coach; no identifier to date, assessed as non-Coach vintage-style bag",
                    "Condition: Good; visible surface wear, scuffs, edge rubbing and handle wear noted by seller and seen in photos 1,5,6; needs cleaning\/conditioning; interior not fully shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.04,
                "vintage_probability": 0.6
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18259,
            "output_tokens": 896,
            "total_tokens": 19155,
            "estimated_cost_usd": 0.009454
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18815,
            "output_tokens": 1596,
            "total_tokens": 20411,
            "estimated_cost_usd": 0.00504
        }
    ]
}