Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.015,
    "vintage_probability": 0.475,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.755,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.9,
    "recommended_max_bid": 15,
    "estimated_resale_low": 15,
    "estimated_resale_high": 42.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather handbag with a flap, shoulder strap, decorative turnlock, and extensive hand-carved floral tooling.",
        "photo 5: interior\/exterior stamp visibly reads approximately \"Hand Carved \/ Leather Goods \/ Joseph Romano,\" identifying a maker other than Coach."
    ],
    "negative_evidence": [
        "photo 5: the visible maker stamp says \"Joseph Romano,\" not COACH, and is not a Coach creed.",
        "photo 1: ornate carved leather, braided edging, and a large decorative gold-tone clasp are unlike the classic Coach silhouettes and understated hardware in the reference catalog.",
        "photos 1-4: no Coach wordmark, horse-and-carriage mark, Coach hangtag, or recognizable Coach identifier is visible.",
        "photo 5: the maker stamp has no Coach-style creed wording, country line, or serial number.",
        "photo 5: interior stamp reads Hand Carved Leather Goods Joseph Romano - positively identifies non-Coach maker",
        "photo 1-3: all-over floral hand-tooled\/carved leather with edge whipstitch lacing - construction never used on vintage Coach classics",
        "photo 4: ornate engraved quatrefoil twist-lock with T-bar - not Coach turnlock geometry with oval back plate and slim tab",
        "photo 1-3: no Coach creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible"
    ],
    "missing_information": [
        "photo 5: a sharper, straight-on image of the maker stamp and any additional interior labels.",
        "photo 1: back, bottom, side, and strap-attachment views to evaluate construction and condition fully.",
        "interior view showing lining, pockets, zipper hardware, and any hidden brand tags.",
        "seller-stated dimensions and confirmation of whether the strap and turnlock function properly.",
        "photo 1-3: interior not shown, lining and creed area unknown",
        "photo 1-3: back, sides and bottom\/corner wear not shown",
        "photo 1-3: strap ends, adjustment holes and attachment points not shown in detail"
    ],
    "authenticity_concerns": [
        "photo 5: the visible maker attribution to Joseph Romano is inconsistent with Coach manufacture.",
        "photos 1 and 5: the ornate decorative clasp and tooling indicate a non-Coach lookalike or separate leather-goods maker rather than a Coach bag."
    ],
    "possible_model_reasoning": [
        "The bag does not match a listed Coach model; its hand-carved western\/floral design and visible Joseph Romano maker stamp point to a Joseph Romano leather-goods bag.",
        "The visible stamp is not a Coach creed and no serial\/style number is readable.",
        "Condition: Good, based on visible edge wear, surface scuffs, strap wear, and worn\/darkened hardware; interior and bottom condition are unknown.",
        "No Coach model fits: maker stamp identifies Joseph Romano, tooling, lacing and lock are inconsistent with any Coach catalog style",
        "Era reasoning: tooled western-style bag consistent with vintage non-Coach handcraft, but non-Coach era label used per output contract",
        "Condition: Good to Very Good from front only; leather intact with light surface wear (photo 1-3), strap shows darkening\/wear (photo 2-3), interior, back, bottom and corners unknown so grade capped"
    ],
    "estimated_era": "modern (2000s+), non-Coach",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": false,
        "turnlock_present": true,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 1 and photo 4: large gold-tone decorative turnlock\/clasp with engraved floral decoration; no Coach engraving visible.",
        "leather_description": "photos 1-4: dark leather with extensive raised floral hand-carved tooling, braided\/leather-trimmed edges, and visible surface wear.",
        "lining_description": "not_visible",
        "strap_construction": "photos 1-3: long narrow shoulder strap attached at the sides; attachment and adjustment details are not fully visible.",
        "stitching_description": "photos 1-4: visible perimeter stitching and braided edging appear generally even, though the close views do not establish maker-specific construction."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0038,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.35,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a leather handbag with a flap, shoulder strap, decorative turnlock, and extensive hand-carved floral tooling.",
                    "photo 5: interior\/exterior stamp visibly reads approximately \"Hand Carved \/ Leather Goods \/ Joseph Romano,\" identifying a maker other than Coach."
                ],
                "negative_evidence": [
                    "photo 5: the visible maker stamp says \"Joseph Romano,\" not COACH, and is not a Coach creed.",
                    "photo 1: ornate carved leather, braided edging, and a large decorative gold-tone clasp are unlike the classic Coach silhouettes and understated hardware in the reference catalog.",
                    "photos 1-4: no Coach wordmark, horse-and-carriage mark, Coach hangtag, or recognizable Coach identifier is visible.",
                    "photo 5: the maker stamp has no Coach-style creed wording, country line, or serial number."
                ],
                "missing_information": [
                    "photo 5: a sharper, straight-on image of the maker stamp and any additional interior labels.",
                    "photo 1: back, bottom, side, and strap-attachment views to evaluate construction and condition fully.",
                    "interior view showing lining, pockets, zipper hardware, and any hidden brand tags.",
                    "seller-stated dimensions and confirmation of whether the strap and turnlock function properly."
                ],
                "authenticity_concerns": [
                    "photo 5: the visible maker attribution to Joseph Romano is inconsistent with Coach manufacture.",
                    "photos 1 and 5: the ornate decorative clasp and tooling indicate a non-Coach lookalike or separate leather-goods maker rather than a Coach bag."
                ],
                "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": true,
                    "hangtag_present": false,
                    "hardware_description": "photo 1 and photo 4: large gold-tone decorative turnlock\/clasp with engraved floral decoration; no Coach engraving visible.",
                    "leather_description": "photos 1-4: dark leather with extensive raised floral hand-carved tooling, braided\/leather-trimmed edges, and visible surface wear.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1-3: long narrow shoulder strap attached at the sides; attachment and adjustment details are not fully visible.",
                    "stitching_description": "photos 1-4: visible perimeter stitching and braided edging appear generally even, though the close views do not establish maker-specific construction."
                },
                "possible_model_reasoning": [
                    "The bag does not match a listed Coach model; its hand-carved western\/floral design and visible Joseph Romano maker stamp point to a Joseph Romano leather-goods bag.",
                    "The visible stamp is not a Coach creed and no serial\/style number is readable.",
                    "Condition: Good, based on visible edge wear, surface scuffs, strap wear, and worn\/darkened hardware; interior and bottom condition are unknown."
                ],
                "confidence": 0.9,
                "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": 0.01,
                "coach_probability": 0.01,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 40,
                "estimated_resale_low": 15,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1-3: interior not shown, lining and creed area unknown",
                    "photo 1-3: back, sides and bottom\/corner wear not shown",
                    "photo 1-3: strap ends, adjustment holes and attachment points not shown in detail"
                ],
                "negative_evidence": [
                    "photo 5: interior stamp reads Hand Carved Leather Goods Joseph Romano - positively identifies non-Coach maker",
                    "photo 1-3: all-over floral hand-tooled\/carved leather with edge whipstitch lacing - construction never used on vintage Coach classics",
                    "photo 4: ornate engraved quatrefoil twist-lock with T-bar - not Coach turnlock geometry with oval back plate and slim tab",
                    "photo 1-3: no Coach creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 4: brass-tone ornate engraved twist-lock plate with T-bar turn; etched sunburst\/fan pattern, tarnished, not Coach turnlock geometry",
                    "leather_description": "photo 1-3: black hand-carved\/tooled leather with raised floral and leaf motifs, whipstitched edges",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 1-3: edge lacing\/whipstitch in leather, plus decorative incised stitch-like lines; no visible Coach straight even stitching",
                    "strap_construction": "photo 1-3: thin flat dark leather shoulder strap, appears worn\/discolored at shoulder, attachment details not shown",
                    "turnlock_present": true
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: maker stamp identifies Joseph Romano, tooling, lacing and lock are inconsistent with any Coach catalog style",
                    "Era reasoning: tooled western-style bag consistent with vintage non-Coach handcraft, but non-Coach era label used per output contract",
                    "Condition: Good to Very Good from front only; leather intact with light surface wear (photo 1-3), strap shows darkening\/wear (photo 2-3), interior, back, bottom and corners unknown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.6
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 33091,
            "output_tokens": 823,
            "total_tokens": 33914,
            "estimated_cost_usd": 0.015212
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 35561,
            "output_tokens": 1537,
            "total_tokens": 37098,
            "estimated_cost_usd": 0.008342
        }
    ]
}