Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.105,
    "vintage_probability": 0.41,
    "authenticity_confidence": 0.085,
    "image_quality_score": 0.76,
    "seller_misidentification_probability": 0.105,
    "confidence": 0.78,
    "recommended_max_bid": 11,
    "estimated_resale_low": 6.5,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: leather\/suede crossbody handbag with a vintage-looking silhouette and metal strap clips",
        "photo 4: tan suede exterior, leather strap construction, and metal fittings are compatible with some older leather handbag construction",
        "photo 1, photo 3, photo 5: leather handbag with flap and crossbody strap - correct object type to assess"
    ],
    "negative_evidence": [
        "photo 1: no visible COACH wordmark, horse-and-carriage, hangtag, or recognizable Coach hardware",
        "photo 2: interior is fabric-lined and shows no visible Coach creed patch or serial number",
        "photo 2: closure appears to be a generic snap rather than a Coach turnlock",
        "photo 1: the large soft suede body and flap design do not provide a distinctive Coach model match",
        "photo 3: hardware and strap attachments appear generic and do not show Coach markings",
        "photo 1: soft suede exterior with napped finish, not smooth glove-tanned cowhide with satin patina",
        "photo 2: fabric-lined interior with magnetic snap closure, not unlined suede-back glove-tanned with brass turnlock",
        "photo 2, photo 6: no creed patch visible on interior back wall or pocket",
        "photo 1, photo 3, photo 4: no COACH wordmark, horse-and-carriage, or leather hangtag visible",
        "photo 2, photo 5: simple magnetic snap, no turnlock with Coach geometry present",
        "photo 4: thin suede strap with small wire swivel clips and rivets, not heavy brass dogleash\/lobster clips or buckle-adjustable Coach strap"
    ],
    "missing_information": [
        "photo 2: straight-on close-up of every interior wall and pocket seam to confirm whether a creed or fabric label is present",
        "photo 3: close-ups of all hardware, strap clips, snap, and any zipper pulls",
        "photo 1: clear photographs of the bottom, side seams, corners, and strap ends",
        "seller-stated dimensions and any information about country of manufacture",
        "No creed patch visible in interior shots - request straight-on raking-light photo of interior back wall and slip pocket to confirm absence",
        "No hangtag or brand stamp shown - confirm if any tags, stamps or labels present",
        "No hardware brand stamps shown - request close-up of snap and clips"
    ],
    "authenticity_concerns": [
        "photo 2: absence of a visible creed or other Coach identifier leaves the bag indistinguishable from an unbranded suede lookalike",
        "photo 1: generic construction and hardware provide no positive brand-specific authentication evidence"
    ],
    "possible_model_reasoning": [
        "The bag is clearly a handbag, but its soft suede flap-and-snap design does not closely match a distinctive catalog Coach model from the available views.",
        "A Coach Sonoma or other suede-era bag is a remote possibility, but no Coach identifier, characteristic turnlock, or model-specific feature is visible.",
        "The fabric lining and generic snap closure do not support a classic unlined glove-tanned Coach attribution.",
        "Condition: Good; substantial suede nap variation, darkening, and rubbing are visible in photos 1, 3, and 4; interior condition is only partly shown.",
        "No Coach identifier visible in 6 photos despite good interior views; construction (suede + full fabric lining + magnetic snap) inconsistent with 1970s-1990s glove-tanned unlined turnlock classics",
        "Silhouette (soft ~10-in flap crossbody, snap, detachable thin strap) does not match catalog City Bag, Court, Station, Willis, Dinky which all use turnlock and glove-tanned leather",
        "Condition: Good; photo 1, photo 3: overall soiling\/mottling of suede, softening\/slouching, no holes or tears visible; strap intact"
    ],
    "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 and photo 3: muted metal strap clips, rings, and snap hardware; no visible brand engraving; closure hardware appears generic",
        "leather_description": "photo 1: tan\/brown suede exterior with visible nap variation, wear, and darker rubbing; leather trim and strap are visible",
        "lining_description": "photo 2 and photo 6: fabric lining is visible, with an interior slip pocket; no label or creed is visible",
        "strap_construction": "photo 1, photo 3, and photo 4: long adjustable-looking leather crossbody strap attached with metal clips; visible edge stitching and wear",
        "stitching_description": "photo 1, photo 3, and photo 4: visible perimeter and strap stitching is generally even, though close inspection of stress points is limited"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0089,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.18,
                "vintage_probability": 0.62,
                "authenticity_confidence": 0.14,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.18,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: leather\/suede crossbody handbag with a vintage-looking silhouette and metal strap clips",
                    "photo 4: tan suede exterior, leather strap construction, and metal fittings are compatible with some older leather handbag construction"
                ],
                "negative_evidence": [
                    "photo 1: no visible COACH wordmark, horse-and-carriage, hangtag, or recognizable Coach hardware",
                    "photo 2: interior is fabric-lined and shows no visible Coach creed patch or serial number",
                    "photo 2: closure appears to be a generic snap rather than a Coach turnlock",
                    "photo 1: the large soft suede body and flap design do not provide a distinctive Coach model match",
                    "photo 3: hardware and strap attachments appear generic and do not show Coach markings"
                ],
                "missing_information": [
                    "photo 2: straight-on close-up of every interior wall and pocket seam to confirm whether a creed or fabric label is present",
                    "photo 3: close-ups of all hardware, strap clips, snap, and any zipper pulls",
                    "photo 1: clear photographs of the bottom, side seams, corners, and strap ends",
                    "seller-stated dimensions and any information about country of manufacture"
                ],
                "authenticity_concerns": [
                    "photo 2: absence of a visible creed or other Coach identifier leaves the bag indistinguishable from an unbranded suede lookalike",
                    "photo 1: generic construction and hardware provide no positive brand-specific authentication evidence"
                ],
                "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 and photo 3: muted metal strap clips, rings, and snap hardware; no visible brand engraving; closure hardware appears generic",
                    "leather_description": "photo 1: tan\/brown suede exterior with visible nap variation, wear, and darker rubbing; leather trim and strap are visible",
                    "lining_description": "photo 2 and photo 6: fabric lining is visible, with an interior slip pocket; no label or creed is visible",
                    "strap_construction": "photo 1, photo 3, and photo 4: long adjustable-looking leather crossbody strap attached with metal clips; visible edge stitching and wear",
                    "stitching_description": "photo 1, photo 3, and photo 4: visible perimeter and strap stitching is generally even, though close inspection of stress points is limited"
                },
                "possible_model_reasoning": [
                    "The bag is clearly a handbag, but its soft suede flap-and-snap design does not closely match a distinctive catalog Coach model from the available views.",
                    "A Coach Sonoma or other suede-era bag is a remote possibility, but no Coach identifier, characteristic turnlock, or model-specific feature is visible.",
                    "The fabric lining and generic snap closure do not support a classic unlined glove-tanned Coach attribution.",
                    "Condition: Good; substantial suede nap variation, darkening, and rubbing are visible in photos 1, 3, and 4; interior condition is only partly shown."
                ],
                "confidence": 0.78,
                "recommended_max_bid": 12,
                "estimated_resale_low": 8,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.78,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No creed patch visible in interior shots - request straight-on raking-light photo of interior back wall and slip pocket to confirm absence",
                    "No hangtag or brand stamp shown - confirm if any tags, stamps or labels present",
                    "No hardware brand stamps shown - request close-up of snap and clips"
                ],
                "negative_evidence": [
                    "photo 1: soft suede exterior with napped finish, not smooth glove-tanned cowhide with satin patina",
                    "photo 2: fabric-lined interior with magnetic snap closure, not unlined suede-back glove-tanned with brass turnlock",
                    "photo 2, photo 6: no creed patch visible on interior back wall or pocket",
                    "photo 1, photo 3, photo 4: no COACH wordmark, horse-and-carriage, or leather hangtag visible",
                    "photo 2, photo 5: simple magnetic snap, no turnlock with Coach geometry present",
                    "photo 4: thin suede strap with small wire swivel clips and rivets, not heavy brass dogleash\/lobster clips or buckle-adjustable Coach strap"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone magnetic snap closure and small swivel snap-hooks with rings and rivets at strap anchors; no turnlock, no engraved branding visible",
                    "leather_description": "tan \/ camel suede exterior with napped texture, soft slouchy body, visible mottling and wear",
                    "lining_description": "photo 2, photo 6: khaki\/olive woven fabric lining in body with interior slip pocket; flap underside lined in smooth tan synthetic or coated material",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "light tan contrast stitching around flap edge and along strap edges, even but simple; interior lining seam stitching visible",
                    "strap_construction": "thin flat suede crossbody strap attached via small metal swivel clips to side tabs; short top handle \/ flap bridge in same suede",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1, photo 3, photo 5: leather handbag with flap and crossbody strap - correct object type to assess"
                ],
                "possible_model_reasoning": [
                    "No Coach identifier visible in 6 photos despite good interior views; construction (suede + full fabric lining + magnetic snap) inconsistent with 1970s-1990s glove-tanned unlined turnlock classics",
                    "Silhouette (soft ~10-in flap crossbody, snap, detachable thin strap) does not match catalog City Bag, Court, Station, Willis, Dinky which all use turnlock and glove-tanned leather",
                    "Condition: Good; photo 1, photo 3: overall soiling\/mottling of suede, softening\/slouching, no holes or tears visible; strap intact"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.2
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28770,
            "output_tokens": 808,
            "total_tokens": 29578,
            "estimated_cost_usd": 0.013447
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30082,
            "output_tokens": 1185,
            "total_tokens": 31267,
            "estimated_cost_usd": 0.006964
        }
    ]
}