Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.14,
    "vintage_probability": 0.315,
    "authenticity_confidence": 0.11,
    "image_quality_score": 0.54,
    "seller_misidentification_probability": 0.14,
    "confidence": 0.545,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 15,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather handbag with a structured\/slouchy satchel silhouette and metal zipper hardware.",
        "photo 1: the smooth leather and visible natural creasing are compatible with a genuine leather bag, though not specifically Coach.",
        "photo 1, photo 2: all-leather slouchy zip-top satchel with warm tan patina and softening reminiscent of aged full-grain leather",
        "photo 1: seller states 100% leather, heavy-looking hide - mild support for vintage leather bag population where misidentified Coach hides"
    ],
    "negative_evidence": [
        "photo 1: no visible COACH wordmark, horse-and-carriage, hangtag, creed patch, or distinctive Coach turnlock.",
        "photo 1: the top-zip satchel construction with contrasting dark handles does not closely match the listed classic vintage Coach silhouettes.",
        "photo 1: visible hardware appears generic and includes decorative handle-base fittings rather than the solid-brass turnlock and dogleash hardware typical of many vintage Coach classics.",
        "photo 2: the broad flat bottom panel and plain construction provide no identifiable Coach-specific detail.",
        "photo 1, photo 2: no COACH wordmark, horse-and-carriage, creed patch, or hangtag visible",
        "photo 1: no turnlock; top-zipper closure with short rolled handles does not match classic 1980s-1990s Coach turnlock flap silhouettes",
        "photo 1: visible hardware appears silver\/nickel-tone zipper, not solid brass typical of vintage glove-tanned classics",
        "photo 1, photo 2: no catalog style match to City Bag, Willis, Court, Station, Duffle Sac or other turnlock classics"
    ],
    "missing_information": [
        "A straight-on interior photo, including every interior wall and pocket, is needed to check for a creed patch or brand label.",
        "Close-ups of both zipper pulls, handle fittings, and any interior or exterior tags are needed.",
        "Photos of the bottom corners, sides, and strap or handle attachment points would improve construction and condition assessment.",
        "Seller-stated dimensions and a photo showing the bag at scale would help identify comparable models.",
        "photo of interior including any creed patch or fabric tags - not shown",
        "straight-on creed close-up in raking light - not shown",
        "hardware close-ups including zipper pull brand stamp - not shown",
        "front\/back\/side views with scale and bottom corners detail - only front and bottom shown",
        "strap\/handle attachment and full-length shoulder strap if present - not shown",
        "hangtag both faces if present - not shown"
    ],
    "authenticity_concerns": [
        "No Coach identifiers are visible, so the bag currently looks more like a generic or other-brand leather satchel than a misidentified vintage Coach.",
        "The contrast-color handles and generic top-zip construction are not sufficient evidence of Coach manufacture."
    ],
    "possible_model_reasoning": [
        "The silhouette is a generic zip-top satchel rather than a clear match for a classic Coach City Bag, Court, Willis, or Station, all of which commonly use flap-and-turnlock closures.",
        "No creed, serial, hangtag, or wordmark is visible in the supplied photos; the interior is not shown, so a Coach identification cannot be ruled out completely.",
        "Condition: Good; visible creasing, darkened handles, and uneven surface wear are present in photo 1, while photo 2 shows additional discoloration and wear on the bottom panel. Interior, odor, mold, and zipper function are unknown.",
        "No Coach catalog match: zip-top double-handle speedy\/doctor shape without turnlock, exterior slip pocket, or dogleash clips does not correspond to City Bag (9790), Willis (9927), Court (9870), Station (5130), Stewardess (9525) or Duffle Sac (9085)",
        "No creed, serial, wordmark or hangtag visible to decode era or style; construction alone insufficient per skill \u00a75",
        "Condition: Good to Very Good; photo 1 shows handle darkening and surface wear\/patina, photo 2 shows bottom scuffing and soiling but no holes visible; interior not shown so grade capped and lining unknown"
    ],
    "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: metal top zipper and small handle-base fittings are visible; no turnlock, Coach engraving, or hangtag is visible.",
        "leather_description": "photo 1: tan smooth leather with darker brown handles, substantial wrinkling and visible surface wear; exact leather type is not determinable.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: two short darker tan\/brown handles attached at the upper front with metal fittings; no detachable shoulder strap is visible.",
        "stitching_description": "photos 1-2: generally straight machine stitching is visible along the handle attachments, upper edge, and bottom panel; close stress-point inspection is unavailable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.008,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.08,
                "vintage_probability": 0.18,
                "authenticity_confidence": 0.07,
                "image_quality_score": 0.63,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a leather handbag with a structured\/slouchy satchel silhouette and metal zipper hardware.",
                    "photo 1: the smooth leather and visible natural creasing are compatible with a genuine leather bag, though not specifically Coach."
                ],
                "negative_evidence": [
                    "photo 1: no visible COACH wordmark, horse-and-carriage, hangtag, creed patch, or distinctive Coach turnlock.",
                    "photo 1: the top-zip satchel construction with contrasting dark handles does not closely match the listed classic vintage Coach silhouettes.",
                    "photo 1: visible hardware appears generic and includes decorative handle-base fittings rather than the solid-brass turnlock and dogleash hardware typical of many vintage Coach classics.",
                    "photo 2: the broad flat bottom panel and plain construction provide no identifiable Coach-specific detail."
                ],
                "missing_information": [
                    "A straight-on interior photo, including every interior wall and pocket, is needed to check for a creed patch or brand label.",
                    "Close-ups of both zipper pulls, handle fittings, and any interior or exterior tags are needed.",
                    "Photos of the bottom corners, sides, and strap or handle attachment points would improve construction and condition assessment.",
                    "Seller-stated dimensions and a photo showing the bag at scale would help identify comparable models."
                ],
                "authenticity_concerns": [
                    "No Coach identifiers are visible, so the bag currently looks more like a generic or other-brand leather satchel than a misidentified vintage Coach.",
                    "The contrast-color handles and generic top-zip construction are not sufficient 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: metal top zipper and small handle-base fittings are visible; no turnlock, Coach engraving, or hangtag is visible.",
                    "leather_description": "photo 1: tan smooth leather with darker brown handles, substantial wrinkling and visible surface wear; exact leather type is not determinable.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: two short darker tan\/brown handles attached at the upper front with metal fittings; no detachable shoulder strap is visible.",
                    "stitching_description": "photos 1-2: generally straight machine stitching is visible along the handle attachments, upper edge, and bottom panel; close stress-point inspection is unavailable."
                },
                "possible_model_reasoning": [
                    "The silhouette is a generic zip-top satchel rather than a clear match for a classic Coach City Bag, Court, Willis, or Station, all of which commonly use flap-and-turnlock closures.",
                    "No creed, serial, hangtag, or wordmark is visible in the supplied photos; the interior is not shown, so a Coach identification cannot be ruled out completely.",
                    "Condition: Good; visible creasing, darkened handles, and uneven surface wear are present in photo 1, while photo 2 shows additional discoloration and wear on the bottom panel. Interior, odor, mold, and zipper function are unknown."
                ],
                "confidence": 0.69,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.15,
                "coach_probability": 0.2,
                "confidence": 0.4,
                "estimated_era": "unknown",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.45,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo of interior including any creed patch or fabric tags - not shown",
                    "straight-on creed close-up in raking light - not shown",
                    "hardware close-ups including zipper pull brand stamp - not shown",
                    "front\/back\/side views with scale and bottom corners detail - only front and bottom shown",
                    "strap\/handle attachment and full-length shoulder strap if present - not shown",
                    "hangtag both faces if present - not shown"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: no COACH wordmark, horse-and-carriage, creed patch, or hangtag visible",
                    "photo 1: no turnlock; top-zipper closure with short rolled handles does not match classic 1980s-1990s Coach turnlock flap silhouettes",
                    "photo 1: visible hardware appears silver\/nickel-tone zipper, not solid brass typical of vintage glove-tanned classics",
                    "photo 1, photo 2: no catalog style match to City Bag, Willis, Court, Station, Duffle Sac or other turnlock classics"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver\/nickel-tone top zipper with pulls at both ends; rivets at handle anchors; tone suggests plated hardware, not solid brass, but resolution too low for certainty",
                    "leather_description": "smooth tan\/camel leather with sheen, slouchy body, darker brown patina on rolled top handles; texture consistent with worn full-grain leather but cannot confirm glove-tanned from photos",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible perimeter stitching along bottom seam in photo 2, appears straight and tone-matched but no close-up to assess quality",
                    "strap_construction": "two short rolled top handles in darker tan, riveted to body; no detachable shoulder strap shown",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1, photo 2: all-leather slouchy zip-top satchel with warm tan patina and softening reminiscent of aged full-grain leather",
                    "photo 1: seller states 100% leather, heavy-looking hide - mild support for vintage leather bag population where misidentified Coach hides"
                ],
                "possible_model_reasoning": [
                    "No Coach catalog match: zip-top double-handle speedy\/doctor shape without turnlock, exterior slip pocket, or dogleash clips does not correspond to City Bag (9790), Willis (9927), Court (9870), Station (5130), Stewardess (9525) or Duffle Sac (9085)",
                    "No creed, serial, wordmark or hangtag visible to decode era or style; construction alone insufficient per skill \u00a75",
                    "Condition: Good to Very Good; photo 1 shows handle darkening and surface wear\/patina, photo 2 shows bottom scuffing and soiling but no holes visible; interior not shown so grade capped and lining unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.2,
                "vintage_probability": 0.45
            }
        }
    ],
    "_usage": [
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            "output_tokens": 844,
            "total_tokens": 16838,
            "estimated_cost_usd": 0.008423
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16295,
            "output_tokens": 1384,
            "total_tokens": 17679,
            "estimated_cost_usd": 0.004366
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}