Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.575,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.8,
    "seller_misidentification_probability": 0.085,
    "confidence": 0.89,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 10,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a leather shoulder bag with a flap, adjustable long strap, and multiple compartments.",
        "photo 3: The exterior is visibly stamped or embroidered \"Argentina,\" providing a non-Coach country-of-origin identifier.",
        "photo 1: The bag has a decorative turning clasp, but it does not resemble a typical Coach vintage turnlock.",
        "photo 1: small leather flap shoulder bag silhouette broadly similar in size to small crossbody bags"
    ],
    "negative_evidence": [
        "photo 3: Visible \"Argentina\" marking is inconsistent with the expected country and construction identifiers of a vintage Coach classic.",
        "photo 1: Elaborate orange floral embroidery and distressed two-tone decoration are not characteristic of the documented vintage Coach model catalog.",
        "photo 6: Interior appears to use a dark synthetic or coated lining rather than the suede-backed unlined construction common to classic glove-tanned Coach bags.",
        "photo 1: No Coach wordmark, horse-and-carriage mark, or recognizable Coach hangtag is visible.",
        "photo 3: No rectangular Coach creed patch or serial\/style number is visible.",
        "photo 3, photo 4: back stamped 'Argentina' as origin\/souvenir mark, never a Coach marking",
        "photo 1, photo 5: all-over hand-tooled orange floral border and distressed finish, not Coach glove-tanned leather",
        "photo 1, photo 5: swing-arm \/ hasp clasp, not Coach turnlock geometry",
        "photo 1, photo 2, photo 3: exposed whip\/lacing edge stitching around body and flap, not Coach tight matched stitching",
        "photo 6: dark fabric\/fuzzy interior with side zip, not unlined suede-back glove-tanned classic interior",
        "photo 2: thin flat adjustable strap with roller buckle, no brass dogleash clips or dowel handle"
    ],
    "missing_information": [
        "photo 6: Interior back wall and all pockets should be photographed straight-on to confirm that no hidden creed or fabric label is present.",
        "photo 2: Close-ups of the clasp, strap hardware, zipper pull, and stitching would help identify the maker and age.",
        "photo 5: Bottom and corner views are incomplete for a full condition assessment.",
        "Seller-stated dimensions and age are not independently verified.",
        "No Coach creed patch visible in any view; interior shown in photo 6 has no creed",
        "No Coach wordmark, hangtag, or branded hardware visible to verify"
    ],
    "authenticity_concerns": [
        "photo 3: The explicit Argentina marking and non-Coach decorative construction strongly indicate a non-Coach leather bag rather than a misidentified Coach piece.",
        "photo 1: The clasp is a decorative multi-piece closure unlike the simpler, proportionally distinct turnlocks used on vintage Coach classics.",
        "photo 6: The visible lining and zipper construction do not support a classic vintage Coach attribution.",
        "photo 1, photo 5: ornate tooled floral pattern and whip-stitched edges are not Coach classic construction",
        "photo 3, photo 4: 'Argentina' souvenir branding inconsistent with Coach country lines and identifiers"
    ],
    "possible_model_reasoning": [
        "photo 3: No Coach model is a reasonable match because the bag is visibly marked Argentina and has an ornate embroidered leather design absent from the Coach catalog features reviewed.",
        "photo 6: The multiple-compartment shoulder-bag form is compatible with a generic vintage leather bag, not specifically a Coach style.",
        "Condition: Good; substantial creasing and distressed finish are visible on the exterior (photos 1 and 3), while the interior appears clean but is only partially shown (photo 6).",
        "No Coach model fits: tooled souvenir construction, Argentina mark, swing clasp, and edge lacing are inconsistent with any catalog style in 4.1-4.3",
        "Seller text states 'Tool made in Argentina' which matches photos and points away from Coach",
        "Condition: Good to Very Good for a vintage tourist bag; distressed finish is intentional, leather intact, interior appears clean in photo 6"
    ],
    "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: Decorative multi-piece metal turning clasp with several round elements; no Coach engraving is visible. photo 5: Strap uses adjustable buckle hardware.",
        "leather_description": "photo 1: Dark brown and orange distressed leather with extensive surface creasing, contrasting floral embroidery or stitching, and darker edge finishing.",
        "lining_description": "photo 6: Dark interior lining is visible and appears synthetic or coated, though the material cannot be confirmed from the photo.",
        "strap_construction": "photos 2 and 5: Long adjustable leather shoulder strap with buckle adjustment and dark edge finishing.",
        "stitching_description": "photos 1 and 3: Visible dark perimeter stitching and contrasting orange decorative floral stitching; construction appears handmade or decorative rather than typical Coach classic construction."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.006,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.75,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.9,
                "seller_misidentification_probability": 0.12,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a leather shoulder bag with a flap, adjustable long strap, and multiple compartments.",
                    "photo 3: The exterior is visibly stamped or embroidered \"Argentina,\" providing a non-Coach country-of-origin identifier.",
                    "photo 1: The bag has a decorative turning clasp, but it does not resemble a typical Coach vintage turnlock."
                ],
                "negative_evidence": [
                    "photo 3: Visible \"Argentina\" marking is inconsistent with the expected country and construction identifiers of a vintage Coach classic.",
                    "photo 1: Elaborate orange floral embroidery and distressed two-tone decoration are not characteristic of the documented vintage Coach model catalog.",
                    "photo 6: Interior appears to use a dark synthetic or coated lining rather than the suede-backed unlined construction common to classic glove-tanned Coach bags.",
                    "photo 1: No Coach wordmark, horse-and-carriage mark, or recognizable Coach hangtag is visible.",
                    "photo 3: No rectangular Coach creed patch or serial\/style number is visible."
                ],
                "missing_information": [
                    "photo 6: Interior back wall and all pockets should be photographed straight-on to confirm that no hidden creed or fabric label is present.",
                    "photo 2: Close-ups of the clasp, strap hardware, zipper pull, and stitching would help identify the maker and age.",
                    "photo 5: Bottom and corner views are incomplete for a full condition assessment.",
                    "Seller-stated dimensions and age are not independently verified."
                ],
                "authenticity_concerns": [
                    "photo 3: The explicit Argentina marking and non-Coach decorative construction strongly indicate a non-Coach leather bag rather than a misidentified Coach piece.",
                    "photo 1: The clasp is a decorative multi-piece closure unlike the simpler, proportionally distinct turnlocks used on vintage Coach classics.",
                    "photo 6: The visible lining and zipper construction do not support a classic vintage Coach attribution."
                ],
                "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: Decorative multi-piece metal turning clasp with several round elements; no Coach engraving is visible. photo 5: Strap uses adjustable buckle hardware.",
                    "leather_description": "photo 1: Dark brown and orange distressed leather with extensive surface creasing, contrasting floral embroidery or stitching, and darker edge finishing.",
                    "lining_description": "photo 6: Dark interior lining is visible and appears synthetic or coated, though the material cannot be confirmed from the photo.",
                    "strap_construction": "photos 2 and 5: Long adjustable leather shoulder strap with buckle adjustment and dark edge finishing.",
                    "stitching_description": "photos 1 and 3: Visible dark perimeter stitching and contrasting orange decorative floral stitching; construction appears handmade or decorative rather than typical Coach classic construction."
                },
                "possible_model_reasoning": [
                    "photo 3: No Coach model is a reasonable match because the bag is visibly marked Argentina and has an ornate embroidered leather design absent from the Coach catalog features reviewed.",
                    "photo 6: The multiple-compartment shoulder-bag form is compatible with a generic vintage leather bag, not specifically a Coach style.",
                    "Condition: Good; substantial creasing and distressed finish are visible on the exterior (photos 1 and 3), while the interior appears clean but is only partially shown (photo 6)."
                ],
                "confidence": 0.9,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1, photo 5: ornate tooled floral pattern and whip-stitched edges are not Coach classic construction",
                    "photo 3, photo 4: 'Argentina' souvenir branding inconsistent with Coach country lines and identifiers"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No Coach creed patch visible in any view; interior shown in photo 6 has no creed",
                    "No Coach wordmark, hangtag, or branded hardware visible to verify"
                ],
                "negative_evidence": [
                    "photo 3, photo 4: back stamped 'Argentina' as origin\/souvenir mark, never a Coach marking",
                    "photo 1, photo 5: all-over hand-tooled orange floral border and distressed finish, not Coach glove-tanned leather",
                    "photo 1, photo 5: swing-arm \/ hasp clasp, not Coach turnlock geometry",
                    "photo 1, photo 2, photo 3: exposed whip\/lacing edge stitching around body and flap, not Coach tight matched stitching",
                    "photo 6: dark fabric\/fuzzy interior with side zip, not unlined suede-back glove-tanned classic interior",
                    "photo 2: thin flat adjustable strap with roller buckle, no brass dogleash clips or dowel handle"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "antiqued brass-tone swing \/ hasp clasp with double rivet plate (photo 1, photo 5); simple buckle on strap (photo 2)",
                    "leather_description": "dark brown\/black distressed leather with orange-tan hand-tooled floral border (photo 1, photo 3, photo 4)",
                    "lining_description": "dark textile-appearing interior with zip pocket visible in photo 6; not Coach unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "heavy dark whip \/ saddle lacing around flap and body perimeter (photo 1, photo 3)",
                    "strap_construction": "long flat leather adjustable crossbody strap with buckle holes, max 54 in per seller (photo 2, photo 5)",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: small leather flap shoulder bag silhouette broadly similar in size to small crossbody bags"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: tooled souvenir construction, Argentina mark, swing clasp, and edge lacing are inconsistent with any catalog style in 4.1-4.3",
                    "Seller text states 'Tool made in Argentina' which matches photos and points away from Coach",
                    "Condition: Good to Very Good for a vintage tourist bag; distressed finish is intentional, leather intact, interior appears clean in photo 6"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.05,
                "vintage_probability": 0.4
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17746,
            "output_tokens": 900,
            "total_tokens": 18646,
            "estimated_cost_usd": 0.009258
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18082,
            "output_tokens": 1347,
            "total_tokens": 19429,
            "estimated_cost_usd": 0.004694
        }
    ]
}