Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.59,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.76,
    "recommended_max_bid": 10,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Modern structured satchel with silver-tone hardware and pebbled leather-like exterior; it does not resemble a clearly identifiable vintage Coach classic.",
        "photo 1: No visible Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or recognizable Coach hardware.",
        "photo 1: Bright plated silver hardware, including rectangular decorative hardware and clips, is inconsistent with many classic vintage Coach leather styles, which commonly use solid brass hardware.",
        "photo 1: The image appears to be a polished catalog-style product photo rather than documentation of a specific used bag.",
        "photo 1: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 1: modern structured tote\/satchel silhouette with center bar plate closure, not a Coach catalog classic shape",
        "photo 1: uniform heavy pebbled grain with even sheen unlike vintage glove-tanned cowhide patina",
        "photo 1: bright gold-tone plated hardware, thin adjustable crossbody strap with modern buckle and clasps, no solid-brass turnlock or dogleash clips",
        "photo 1: decorative rectangular leather fob with metal ends, not a Coach-stamped two-ply hangtag on bead chain"
    ],
    "missing_information": [
        "Interior view and any brand or fabric labels.",
        "Straight-on close-up of any interior creed, serial\/style tag, or other branding.",
        "Close-ups of hardware, zipper pulls, strap clips, bottom, corners, and material edges.",
        "Seller-stated dimensions and confirmation of whether the exterior is genuine leather, bonded leather, or synthetic material.",
        "photo 1 only: no interior, creed, bottom, side, or hardware close-up views shown",
        "creed \/ interior lining not shown - request emptied interior and back-wall pocket photo",
        "request hardware engravings and zipper brand close-up",
        "request material tag \/ fabric content label to confirm leather vs synthetic"
    ],
    "authenticity_concerns": [
        "photo 1: The bag has generic, brand-evoking satchel styling but no visible Coach identifiers; it is more consistent with an unbranded contemporary bag than a vintage Coach model.",
        "photo 1: The polished silver-tone hardware and generic decorative front plate do not provide evidence of Coach manufacture."
    ],
    "possible_model_reasoning": [
        "No Coach model is assigned because the bag lacks visible Coach identifiers and its contemporary generic satchel construction does not closely establish a catalog Coach match.",
        "Condition cannot be reliably graded from the catalog-style image; apparent newness is not treated as verified condition.",
        "photo 1 shows a modern navy tote-satchel with dual handles and detachable crossbody strap; no Coach hard identifiers, hardware geometry, leather type, or construction cues match any 1970s-1990s classic or modern Coach line",
        "Condition: appears New\/unused in stock-style white-background photo 1, but only one exterior view so condition grade capped and lining 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": "photo 1: Silver-tone plated-looking hardware, rectangular front ornament, adjustable strap buckles, and metal strap clips are visible; no Coach engraving is legible.",
        "leather_description": "photo 1: Uniform pebbled leather-like exterior in navy; genuine leather versus synthetic material cannot be determined from this image.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Two fixed rolled top handles and one detachable-looking adjustable shoulder strap with metal clips are visible.",
        "stitching_description": "photo 1: Dark, generally even machine stitching is visible around the panels and handles; close stress-point inspection is unavailable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0003,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.58,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Modern structured satchel with silver-tone hardware and pebbled leather-like exterior; it does not resemble a clearly identifiable vintage Coach classic.",
                    "photo 1: No visible Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or recognizable Coach hardware.",
                    "photo 1: Bright plated silver hardware, including rectangular decorative hardware and clips, is inconsistent with many classic vintage Coach leather styles, which commonly use solid brass hardware.",
                    "photo 1: The image appears to be a polished catalog-style product photo rather than documentation of a specific used bag."
                ],
                "missing_information": [
                    "Interior view and any brand or fabric labels.",
                    "Straight-on close-up of any interior creed, serial\/style tag, or other branding.",
                    "Close-ups of hardware, zipper pulls, strap clips, bottom, corners, and material edges.",
                    "Seller-stated dimensions and confirmation of whether the exterior is genuine leather, bonded leather, or synthetic material."
                ],
                "authenticity_concerns": [
                    "photo 1: The bag has generic, brand-evoking satchel styling but no visible Coach identifiers; it is more consistent with an unbranded contemporary bag than a vintage Coach model.",
                    "photo 1: The polished silver-tone hardware and generic decorative front plate do not provide evidence of Coach manufacture."
                ],
                "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: Silver-tone plated-looking hardware, rectangular front ornament, adjustable strap buckles, and metal strap clips are visible; no Coach engraving is legible.",
                    "leather_description": "photo 1: Uniform pebbled leather-like exterior in navy; genuine leather versus synthetic material cannot be determined from this image.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Two fixed rolled top handles and one detachable-looking adjustable shoulder strap with metal clips are visible.",
                    "stitching_description": "photo 1: Dark, generally even machine stitching is visible around the panels and handles; close stress-point inspection is unavailable."
                },
                "possible_model_reasoning": [
                    "No Coach model is assigned because the bag lacks visible Coach identifiers and its contemporary generic satchel construction does not closely establish a catalog Coach match.",
                    "Condition cannot be reliably graded from the catalog-style image; apparent newness is not treated as verified condition."
                ],
                "confidence": 0.72,
                "recommended_max_bid": 10,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.8,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1 only: no interior, creed, bottom, side, or hardware close-up views shown",
                    "creed \/ interior lining not shown - request emptied interior and back-wall pocket photo",
                    "request hardware engravings and zipper brand close-up",
                    "request material tag \/ fabric content label to confirm leather vs synthetic"
                ],
                "negative_evidence": [
                    "photo 1: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 1: modern structured tote\/satchel silhouette with center bar plate closure, not a Coach catalog classic shape",
                    "photo 1: uniform heavy pebbled grain with even sheen unlike vintage glove-tanned cowhide patina",
                    "photo 1: bright gold-tone plated hardware, thin adjustable crossbody strap with modern buckle and clasps, no solid-brass turnlock or dogleash clips",
                    "photo 1: decorative rectangular leather fob with metal ends, not a Coach-stamped two-ply hangtag on bead chain"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone plated modern hardware: top center bar plate, side D-rings, strap buckle and swivel clasps; no turnlock",
                    "leather_description": "navy blue uniformly pebbled material with even grain and slight sheen, appears synthetic \/ coated, not matte glove-tanned cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight edge stitching along top edge visible in photo 1; detail not close enough to assess thread match or stress points",
                    "strap_construction": "two short rolled top handles plus detachable thin adjustable crossbody shoulder strap with buckle and metal clasps",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1 shows a modern navy tote-satchel with dual handles and detachable crossbody strap; no Coach hard identifiers, hardware geometry, leather type, or construction cues match any 1970s-1990s classic or modern Coach line",
                    "Condition: appears New\/unused in stock-style white-background photo 1, but only one exterior view so condition grade capped and lining unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 15842,
            "output_tokens": 732,
            "total_tokens": 16574,
            "estimated_cost_usd": 0.008094
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16160,
            "output_tokens": 1201,
            "total_tokens": 17361,
            "estimated_cost_usd": 0.004193
        }
    ]
}