Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.375,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.775,
    "seller_misidentification_probability": 0.04,
    "confidence": 0.875,
    "recommended_max_bid": 15,
    "estimated_resale_low": 20,
    "estimated_resale_high": 52.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather handbag with structured construction and attached handles",
        "photo 4: side rings appear to allow an optional longer strap, consistent with the seller's description"
    ],
    "negative_evidence": [
        "photo 1: extensive western floral tooling and a large ornate silver-tone western buckle are not characteristic of vintage Coach classic construction",
        "photo 2: closure is a decorative buckle strap rather than a Coach turnlock",
        "photo 1: hardware is predominantly silver-tone and ornate, inconsistent with the solid-brass hardware typical of many vintage Coach classics",
        "photo 6: dark fabric lining is visible; this does not match the unlined suede interiors of many classic glove-tanned Coach styles",
        "photos 1-5: no legible Coach wordmark, carriage, creed patch, serial\/style number, or Coach hangtag is visible",
        "photo 1: all-over floral tooled western leather - never a vintage Coach glove-tanned finish",
        "photo 2: large silver-tone western buckle closure - not Coach solid-brass turnlock geometry",
        "photo 6: dark printed fabric lining - vintage Coach classics are unlined suede, not fabric-lined",
        "photo 1,3,5: doctor-bag frame with contrast white stitching and riveted handle tabs - no catalog Coach silhouette match",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
    ],
    "missing_information": [
        "photo 6: interior back wall and all pockets should be photographed closely to confirm whether any brand label or creed is present",
        "close-up photos of every interior label, zipper pull, hardware engraving, and underside of the buckle",
        "seller-stated country of manufacture, if known",
        "full bottom and corner photos to assess condition",
        "photo 6: interior lining pattern and any brand label not legible - request clear interior label shot",
        "photo 1-5: no creed patch visible - request interior back wall \/ pocket close-up in raking light",
        "photo 2: buckle and hardware brand stamps not legible - request macro of hardware"
    ],
    "authenticity_concerns": [
        "photo 1: the western tooling, decorative buckle, and silver-tone hardware point to a non-Coach western leather-goods maker rather than a Coach model",
        "photo 6: fabric lining and visible patterned lining are inconsistent with a classic unlined vintage Coach silhouette"
    ],
    "possible_model_reasoning": [
        "The silhouette is a structured western satchel with a decorative buckle, not a close match for the listed vintage Coach City Bag, Court, Willis, Station, or Stewardess styles.",
        "No Coach identifier is visible in the provided photos, and the visible construction is more consistent with a generic western tooled-leather handbag.",
        "Condition: Very Good provisionally; leather remains intact with visible handling wear and tarnish, but the bottom, corners, and full interior are not completely documented.",
        "No Coach identifiers visible in any photo to decode for model or era",
        "Silhouette is tooled western doctor bag with buckle front - does not match City Bag, Willis, Court, Station, Dinky or other classic catalog styles",
        "Construction - tooled leather, silver-tone hardware, fabric lining, contrast stitch - inconsistent with 1970s-1990s Coach glove-tanned unlined brass-hardware standard",
        "Condition: Very Good; leather intact with patina and dryness unconditioned (seller states), handles intact, hardware tarnished, interior not fully shown so lining condition 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": "photos 1-5: ornate silver-tone western buckle, small rings, rivets, and strap hardware; no Coach engraving visible",
        "leather_description": "photos 1-5: medium-brown leather with extensive floral western tooling, contrast edge stitching, and some surface wear or patina",
        "lining_description": "photo 6: dark fabric lining is visible; exact material and pattern are not fully legible",
        "strap_construction": "photos 1, 3-5: two rounded top handles with ring attachments; side rings appear present for an optional longer strap",
        "stitching_description": "photos 1-5: prominent contrasting light stitching, generally even but decorative and unlike the understated construction associated with classic Coach bags"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0046,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.25,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.9,
                "seller_misidentification_probability": 0.05,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a leather handbag with structured construction and attached handles",
                    "photo 4: side rings appear to allow an optional longer strap, consistent with the seller's description"
                ],
                "negative_evidence": [
                    "photo 1: extensive western floral tooling and a large ornate silver-tone western buckle are not characteristic of vintage Coach classic construction",
                    "photo 2: closure is a decorative buckle strap rather than a Coach turnlock",
                    "photo 1: hardware is predominantly silver-tone and ornate, inconsistent with the solid-brass hardware typical of many vintage Coach classics",
                    "photo 6: dark fabric lining is visible; this does not match the unlined suede interiors of many classic glove-tanned Coach styles",
                    "photos 1-5: no legible Coach wordmark, carriage, creed patch, serial\/style number, or Coach hangtag is visible"
                ],
                "missing_information": [
                    "photo 6: interior back wall and all pockets should be photographed closely to confirm whether any brand label or creed is present",
                    "close-up photos of every interior label, zipper pull, hardware engraving, and underside of the buckle",
                    "seller-stated country of manufacture, if known",
                    "full bottom and corner photos to assess condition"
                ],
                "authenticity_concerns": [
                    "photo 1: the western tooling, decorative buckle, and silver-tone hardware point to a non-Coach western leather-goods maker rather than a Coach model",
                    "photo 6: fabric lining and visible patterned lining are inconsistent with a classic unlined vintage Coach silhouette"
                ],
                "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": "photos 1-5: ornate silver-tone western buckle, small rings, rivets, and strap hardware; no Coach engraving visible",
                    "leather_description": "photos 1-5: medium-brown leather with extensive floral western tooling, contrast edge stitching, and some surface wear or patina",
                    "lining_description": "photo 6: dark fabric lining is visible; exact material and pattern are not fully legible",
                    "strap_construction": "photos 1, 3-5: two rounded top handles with ring attachments; side rings appear present for an optional longer strap",
                    "stitching_description": "photos 1-5: prominent contrasting light stitching, generally even but decorative and unlike the understated construction associated with classic Coach bags"
                },
                "possible_model_reasoning": [
                    "The silhouette is a structured western satchel with a decorative buckle, not a close match for the listed vintage Coach City Bag, Court, Willis, Station, or Stewardess styles.",
                    "No Coach identifier is visible in the provided photos, and the visible construction is more consistent with a generic western tooled-leather handbag.",
                    "Condition: Very Good provisionally; leather remains intact with visible handling wear and tarnish, but the bottom, corners, and full interior are not completely documented."
                ],
                "confidence": 0.9,
                "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": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 45,
                "estimated_resale_low": 20,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 6: interior lining pattern and any brand label not legible - request clear interior label shot",
                    "photo 1-5: no creed patch visible - request interior back wall \/ pocket close-up in raking light",
                    "photo 2: buckle and hardware brand stamps not legible - request macro of hardware"
                ],
                "negative_evidence": [
                    "photo 1: all-over floral tooled western leather - never a vintage Coach glove-tanned finish",
                    "photo 2: large silver-tone western buckle closure - not Coach solid-brass turnlock geometry",
                    "photo 6: dark printed fabric lining - vintage Coach classics are unlined suede, not fabric-lined",
                    "photo 1,3,5: doctor-bag frame with contrast white stitching and riveted handle tabs - no catalog Coach silhouette match",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone western-style engraved buckle on front strap, silver-tone D-rings and rivets; tarnish noted; not solid brass Coach hardware",
                    "leather_description": "tan brown tooled \/ embossed floral western leather, doctor-bag body with top handles",
                    "lining_description": "dark fabric lining with small light pattern visible in photo 6, not fully legible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "thick contrast off-white stitching around edges and handle tabs, visible in photos 1-5",
                    "strap_construction": "two short rolled top handles riveted to tabs with D-rings; side hooks for optional longer strap, no long strap present",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifiers visible in any photo to decode for model or era",
                    "Silhouette is tooled western doctor bag with buckle front - does not match City Bag, Willis, Court, Station, Dinky or other classic catalog styles",
                    "Construction - tooled leather, silver-tone hardware, fabric lining, contrast stitch - inconsistent with 1970s-1990s Coach glove-tanned unlined brass-hardware standard",
                    "Condition: Very Good; leather intact with patina and dryness unconditioned (seller states), handles intact, hardware tarnished, interior not fully shown so lining condition unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.5
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18119,
            "output_tokens": 819,
            "total_tokens": 18938,
            "estimated_cost_usd": 0.009213
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18671,
            "output_tokens": 1267,
            "total_tokens": 19938,
            "estimated_cost_usd": 0.004748
        }
    ]
}