Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.045,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.49,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.605,
    "recommended_max_bid": 9,
    "estimated_resale_low": 9,
    "estimated_resale_high": 32.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag\/satchel with handles, a zip-top opening, and adjustable side strap details.",
        "photo 1: Stitching appears generally even and the bag has substantial structured construction."
    ],
    "negative_evidence": [
        "photo 1: No COACH wordmark, horse-and-carriage emblem, creed patch, or hangtag is visible.",
        "photo 1: Croc-embossed glossy material and silver-tone hardware do not resemble the typical smooth glove-tanned leather and solid brass hardware of classic vintage Coach.",
        "photo 1: The overall satchel design is generic and does not show a recognizable Coach silhouette or identifier.",
        "photo 1: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 1: silver-tone rectangular buckle hardware, not solid brass vintage Coach hardware",
        "photo 1: glossy magenta croc-embossed coated leather, not glove-tanned cowhide with suede back",
        "photo 1: contrast light stitching and belt-with-buckle trim, not tone-on-tone Coach classic construction",
        "photo 1: zip-top satchel silhouette with dual top handles does not match 1970s-1990s Coach catalog turnlock classics"
    ],
    "missing_information": [
        "Interior view, including any creed patch, brand label, or fabric tag.",
        "Close-up photos of the zipper pull, hardware, bottom, corners, and strap attachments.",
        "Full front, back, side, and interior views; the single close front photo does not establish construction or materials.",
        "photo 1 only front view: interior, creed patch, lining, bottom, sides and back not shown",
        "photo 1: close-up of hardware stamps, zipper pull brand, and hangtag area not shown",
        "photo 1: strap\/handle attachments and full dimensions\/scale not shown"
    ],
    "authenticity_concerns": [],
    "possible_model_reasoning": [
        "photo 1: zip-top croc-embossed satchel with buckle trim has no Coach hard identifiers and construction (silver hardware, coated embossed leather, contrast stitch) points away from vintage Coach glove-tanned classics",
        "Condition: Good to Very Good from front view only; surface sheen intact but bottom, corners, interior and handles not shown 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": false,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 1: Silver-tone rectangular buckles, rings, and strap fittings are visible; no Coach engraving is visible.",
        "leather_description": "photo 1: Purple\/magenta croc-embossed, glossy-looking material is visible; whether it is genuine leather or synthetic cannot be determined from this photo.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Two rolled or narrow top handles and visible side strap\/buckle attachment details; full strap construction is not shown.",
        "stitching_description": "photo 1: Contrasting light stitching appears mostly straight and even along the front seams and handle attachments."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0044,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.04,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.48,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag\/satchel with handles, a zip-top opening, and adjustable side strap details.",
                    "photo 1: Stitching appears generally even and the bag has substantial structured construction."
                ],
                "negative_evidence": [
                    "photo 1: No COACH wordmark, horse-and-carriage emblem, creed patch, or hangtag is visible.",
                    "photo 1: Croc-embossed glossy material and silver-tone hardware do not resemble the typical smooth glove-tanned leather and solid brass hardware of classic vintage Coach.",
                    "photo 1: The overall satchel design is generic and does not show a recognizable Coach silhouette or identifier."
                ],
                "missing_information": [
                    "Interior view, including any creed patch, brand label, or fabric tag.",
                    "Close-up photos of the zipper pull, hardware, bottom, corners, and strap attachments.",
                    "Full front, back, side, and interior views; the single close front photo does not establish construction or materials."
                ],
                "authenticity_concerns": [],
                "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 rectangular buckles, rings, and strap fittings are visible; no Coach engraving is visible.",
                    "leather_description": "photo 1: Purple\/magenta croc-embossed, glossy-looking material is visible; whether it is genuine leather or synthetic cannot be determined from this photo.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Two rolled or narrow top handles and visible side strap\/buckle attachment details; full strap construction is not shown.",
                    "stitching_description": "photo 1: Contrasting light stitching appears mostly straight and even along the front seams and handle attachments."
                },
                "possible_model_reasoning": [],
                "confidence": 0.43,
                "recommended_max_bid": 10,
                "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": 0.78,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 8,
                "image_quality_score": 0.5,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1 only front view: interior, creed patch, lining, bottom, sides and back not shown",
                    "photo 1: close-up of hardware stamps, zipper pull brand, and hangtag area not shown",
                    "photo 1: strap\/handle attachments and full dimensions\/scale not shown"
                ],
                "negative_evidence": [
                    "photo 1: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 1: silver-tone rectangular buckle hardware, not solid brass vintage Coach hardware",
                    "photo 1: glossy magenta croc-embossed coated leather, not glove-tanned cowhide with suede back",
                    "photo 1: contrast light stitching and belt-with-buckle trim, not tone-on-tone Coach classic construction",
                    "photo 1: zip-top satchel silhouette with dual top handles does not match 1970s-1990s Coach catalog turnlock classics"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 1: silver-tone rectangular buckles on front belt trim and handle loops, rivets; no turnlock; no COACH stamping visible",
                    "leather_description": "photo 1: magenta \/ fuchsia croc-embossed leather with glossy coated finish",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 1: light contrast topstitching along panels and trim",
                    "strap_construction": "photo 1: dual rolled top handles attached via buckled loops; no detachable crossbody strap shown",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1: zip-top croc-embossed satchel with buckle trim has no Coach hard identifiers and construction (silver hardware, coated embossed leather, contrast stitch) points away from vintage Coach glove-tanned classics",
                    "Condition: Good to Very Good from front view only; surface sheen intact but bottom, corners, interior and handles not shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
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            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16831,
            "output_tokens": 642,
            "total_tokens": 17473,
            "estimated_cost_usd": 0.008273
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17194,
            "output_tokens": 1236,
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            "estimated_cost_usd": 0.004428
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}