Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.8,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.815,
    "seller_misidentification_probability": 0.49,
    "confidence": 0.89,
    "recommended_max_bid": 15,
    "estimated_resale_low": 15,
    "estimated_resale_high": 50,
    "possible_models": [],
    "positive_evidence": [
        "photo 3: interior flap is visibly stamped \"LEATHER SCHOOL FLORENCE,\" supporting an Italian leather-school origin rather than Coach.",
        "photo 1: structured top-handle handbag silhouette and leather construction are clearly visible."
    ],
    "negative_evidence": [
        "photo 3: no Coach creed patch, Coach wordmark, or Coach-style serial number is visible.",
        "photos 1-3: ornate gold decorative border and corner motifs are unlike the restrained construction of typical vintage Coach glove-tanned bags.",
        "photo 4: bright red fabric lining and multiple silver-tone zipper elements are inconsistent with classic 1970s-1990s unlined Coach handbag construction.",
        "photo 3: the visible clasp and decorative hardware do not resemble a vintage Coach turnlock.",
        "photo 3: the only legible maker identification is \"LEATHER SCHOOL FLORENCE,\" not Coach.",
        "photo 3: interior flap stamped LEATHER SCHOOL FLORENCE, not COACH - identifies as Scuola del Cuoio Florence souvenir bag",
        "photo 1, photo 2: rigid framed top-handle silhouette ~10in wide with gilt-tooled border and corner flourishes - no Coach catalog silhouette from any era matches",
        "photo 3: rectangular frame clasp with black inlay, not Coach turnlock geometry",
        "photo 4: red fabric lining with center zip compartment and silver-tone zipper - not unlined glove-tanned suede interior of vintage Coach classics",
        "photo 1-4: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
    ],
    "missing_information": [
        "photo 3: the interior compartments and all pockets should be shown fully to check for any additional maker label.",
        "photo 1: close-ups of the hardware, edge construction, and handle attachments would help date and assess the Italian bag.",
        "photo 4: a full exterior back, bottom, and side view is absent.",
        "seller-stated 1950s date is not independently verifiable from the photos.",
        "No Coach creed patch visible in any photo - none expected for this style",
        "No bottom, side, or hardware stamp close-ups to further confirm maker",
        "No exterior back view separate from front"
    ],
    "authenticity_concerns": [
        "photos 1-4: the bag presents as an Italian leather-school or other Italian maker's handbag, not a Coach product.",
        "photo 3: the visible Florence leather-school stamp and decorative treatment conflict with a Coach attribution."
    ],
    "possible_model_reasoning": [
        "The rectangular structured top-handle shape could superficially resemble a mid-century frame or box bag, but it does not match a recognizable Coach catalog model.",
        "photo 3: \"LEATHER SCHOOL FLORENCE\" is the strongest maker evidence and points away from Coach.",
        "Condition: Good; visible surface scuffs, creasing, and wear are present in photos 1-4, while the structure and decorative trim remain intact.",
        "No Coach model fits: framed top-handle with gilt tooling and Florence Leather School marking is inconsistent with all Coach classic and Cashin-era catalog styles",
        "Era reasoning: seller states 1950s Florence purchase; construction and marking are consistent with 1950s-1960s Italian souvenir bag, predates Coach creed system and Coach Italian production (1992-1998)",
        "Condition: Very Good to Good; surface scuffs and scratches on black leather visible (photo 2, photo 3), handles appear intact, interior red lining shows light wear (photo 4); bottom corners and full exterior not fully shown so capped"
    ],
    "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: gold-tone decorative edging and corner ornaments are visible; photo 3: a rectangular clasp is visible. photo 4: silver-tone zipper hardware is visible.",
        "leather_description": "photos 1-3: smooth, glossy black leather or leather-like material with decorative gold-tone edging; surface scuffs and handling marks are visible.",
        "lining_description": "photo 4: bright red fabric lining with zippered compartments is visible.",
        "strap_construction": "photos 1-2: two short black top handles attached with small metal rings; no detachable Coach-style crossbody strap is visible.",
        "stitching_description": "photos 1-3: visible perimeter stitching appears generally straight and regular; decorative gold edging is prominent."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0325,
    "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": 0.88,
                "seller_misidentification_probability": 0.96,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 3: interior flap is visibly stamped \"LEATHER SCHOOL FLORENCE,\" supporting an Italian leather-school origin rather than Coach.",
                    "photo 1: structured top-handle handbag silhouette and leather construction are clearly visible."
                ],
                "negative_evidence": [
                    "photo 3: no Coach creed patch, Coach wordmark, or Coach-style serial number is visible.",
                    "photos 1-3: ornate gold decorative border and corner motifs are unlike the restrained construction of typical vintage Coach glove-tanned bags.",
                    "photo 4: bright red fabric lining and multiple silver-tone zipper elements are inconsistent with classic 1970s-1990s unlined Coach handbag construction.",
                    "photo 3: the visible clasp and decorative hardware do not resemble a vintage Coach turnlock.",
                    "photo 3: the only legible maker identification is \"LEATHER SCHOOL FLORENCE,\" not Coach."
                ],
                "missing_information": [
                    "photo 3: the interior compartments and all pockets should be shown fully to check for any additional maker label.",
                    "photo 1: close-ups of the hardware, edge construction, and handle attachments would help date and assess the Italian bag.",
                    "photo 4: a full exterior back, bottom, and side view is absent.",
                    "seller-stated 1950s date is not independently verifiable from the photos."
                ],
                "authenticity_concerns": [
                    "photos 1-4: the bag presents as an Italian leather-school or other Italian maker's handbag, not a Coach product.",
                    "photo 3: the visible Florence leather-school stamp and decorative treatment conflict with a 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": false,
                    "hangtag_present": false,
                    "hardware_description": "photo 1: gold-tone decorative edging and corner ornaments are visible; photo 3: a rectangular clasp is visible. photo 4: silver-tone zipper hardware is visible.",
                    "leather_description": "photos 1-3: smooth, glossy black leather or leather-like material with decorative gold-tone edging; surface scuffs and handling marks are visible.",
                    "lining_description": "photo 4: bright red fabric lining with zippered compartments is visible.",
                    "strap_construction": "photos 1-2: two short black top handles attached with small metal rings; no detachable Coach-style crossbody strap is visible.",
                    "stitching_description": "photos 1-3: visible perimeter stitching appears generally straight and regular; decorative gold edging is prominent."
                },
                "possible_model_reasoning": [
                    "The rectangular structured top-handle shape could superficially resemble a mid-century frame or box bag, but it does not match a recognizable Coach catalog model.",
                    "photo 3: \"LEATHER SCHOOL FLORENCE\" is the strongest maker evidence and points away from Coach.",
                    "Condition: Good; visible surface scuffs, creasing, and wear are present in photos 1-4, while the structure and decorative trim remain intact."
                ],
                "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": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "unknown",
                "estimated_resale_high": 60,
                "estimated_resale_low": 20,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No Coach creed patch visible in any photo - none expected for this style",
                    "No bottom, side, or hardware stamp close-ups to further confirm maker",
                    "No exterior back view separate from front"
                ],
                "negative_evidence": [
                    "photo 3: interior flap stamped LEATHER SCHOOL FLORENCE, not COACH - identifies as Scuola del Cuoio Florence souvenir bag",
                    "photo 1, photo 2: rigid framed top-handle silhouette ~10in wide with gilt-tooled border and corner flourishes - no Coach catalog silhouette from any era matches",
                    "photo 3: rectangular frame clasp with black inlay, not Coach turnlock geometry",
                    "photo 4: red fabric lining with center zip compartment and silver-tone zipper - not unlined glove-tanned suede interior of vintage Coach classics",
                    "photo 1-4: 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": "gold-tone frame hardware and front clasp with black enamel inlay (photo 3); silver-tone zippers inside (photo 4); not solid brass Coach turnlock, buckles or dogleash clips",
                    "leather_description": "black smooth polished leather with gold-tooled border decoration (photo 1, photo 2); personalization L.B. gilt-stamped (photo 3); not glove-tanned with natural grain",
                    "lining_description": "red fabric lining with zip divider and slip pocket (photo 4)",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "light-colored edge stitching visible on edges (photo 3); no detailed stitch close-up",
                    "strap_construction": "short double top-handles in black leather attached to frame hardware (photo 1, photo 2)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: framed top-handle with gilt tooling and Florence Leather School marking is inconsistent with all Coach classic and Cashin-era catalog styles",
                    "Era reasoning: seller states 1950s Florence purchase; construction and marking are consistent with 1950s-1960s Italian souvenir bag, predates Coach creed system and Coach Italian production (1992-1998)",
                    "Condition: Very Good to Good; surface scuffs and scratches on black leather visible (photo 2, photo 3), handles appear intact, interior red lining shows light wear (photo 4); bottom corners and full exterior not fully shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.85
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17152,
            "output_tokens": 777,
            "total_tokens": 17929,
            "estimated_cost_usd": 0.008726
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17617,
            "output_tokens": 1485,
            "total_tokens": 19102,
            "estimated_cost_usd": 0.004711
        }
    ]
}