Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.03,
    "vintage_probability": 0.035,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.79,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.845,
    "recommended_max_bid": 10,
    "estimated_resale_low": 11.5,
    "estimated_resale_high": 32.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather shoulder\/crossbody handbag with a structured body and detachable long strap",
        "photo 1: visible pebbled leather and multiple metal fittings are consistent with a general leather handbag, but not specifically Coach"
    ],
    "negative_evidence": [
        "photo 1: no legible COACH wordmark, horse-and-carriage, or Coach hangtag is visible",
        "photo 3: interior is fabric-lined with a gray chevron pattern rather than the unlined suede interior typical of many vintage Coach classics",
        "photo 1: decorative ring-and-strap front construction does not closely match the listed classic Coach silhouettes",
        "photo 3: no creed patch is visible on the shown interior wall",
        "photo 4: no serial\/style tag is visible in the shown interior",
        "photo 1: seller lists the item as unbranded, with no independent brand evidence in the description",
        "photo 1, photo 2: zip-top satchel with contrast brown trim, O-ring handle attachments and front circular applique - no Coach catalog silhouette, no turnlock",
        "photo 3, photo 4, photo 5: fully lined with light gray herringbone polyester fabric with slip and zip pockets - not unlined glove-tanned suede-back leather of vintage Coach classics",
        "photo 1, photo 2, photo 6: uniform pebbled grain with sheen and two-tone trim, thin flexible structure - not full-grain glove-tanned cowhide",
        "photo 3, photo 4, photo 5: no leather creed patch visible on interior back wall or slip pocket where Coach creed would sit",
        "photo 1, photo 2: no COACH wordmark, horse-and-carriage, or leather hangtag visible"
    ],
    "missing_information": [
        "photo 3-5: a complete inspection of all interior walls, slip pockets, and seams for a hidden brand label or fabric tag",
        "photo 1-2: close-ups of every zipper pull, clasp, rivet, and strap attachment for any brand engraving",
        "photo 1-2: dimensions and a straight-on close-up of the front and back",
        "photo 2: close-up of the underside, all corners, and edge wear",
        "photo of any interior leather creed patch or fabric brand tag in raking light - none visible in photos 3-5",
        "close-up of zipper pull brand stamp and hardware engravings",
        "confirmation of exterior material from seller - grain suggests coated faux leather"
    ],
    "authenticity_concerns": [
        "photo 1: no Coach identifier is visible, and the generic decorative hardware and lined construction provide little support for Coach manufacture",
        "photo 3: the fabric-lined, modern-looking construction is inconsistent with a typical vintage glove-tanned Coach classic"
    ],
    "possible_model_reasoning": [
        "No Coach model is a close enough match from the visible ring-hardware and decorative strap construction; this is better treated as a generic modern leather shoulder bag.",
        "photo 3-5: the lined interior and contemporary pebbled-leather construction suggest modern production rather than a pre-2000 Coach classic.",
        "Condition: Very Good provisionally; the leather and hardware appear intact with limited visible wear, but the interior, corners, odor, and strap stress points are not fully assessable.",
        "No Coach identifiers observed in any view to decode for model or era",
        "Silhouette, zip-top closure, O-ring hardware, contrast trim, circular patch and fabric lining do not match any Classic glove-tanned era style such as Willis (9927), Court (9870), Station (5130), Dinky (9375)",
        "Condition: Very Good to Excellent as photographed; exterior clean with no major corner wear (photo 6: bottom clean), interior clean (photos 3-5), structure soft but intact"
    ],
    "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 1-2: gold-tone ring hardware, rivets, zipper, and strap clips are visible; no readable brand engraving is visible",
        "leather_description": "photo 1-2: yellow pebbled leather with brown leather trim and handles; exact leather type cannot be determined from photos",
        "lining_description": "photo 3-5: gray fabric lining with a repeating chevron pattern and an interior pocket; no creed patch or brand label is visible",
        "strap_construction": "photo 1-2: detachable adjustable brown shoulder\/crossbody strap with stitched edges and metal clips",
        "stitching_description": "photo 1-2: generally visible, regular contrasting stitching on brown trim and straps; some edges and stress points are not sufficiently close for detailed assessment"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0008,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.04,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a leather shoulder\/crossbody handbag with a structured body and detachable long strap",
                    "photo 1: visible pebbled leather and multiple metal fittings are consistent with a general leather handbag, but not specifically Coach"
                ],
                "negative_evidence": [
                    "photo 1: no legible COACH wordmark, horse-and-carriage, or Coach hangtag is visible",
                    "photo 3: interior is fabric-lined with a gray chevron pattern rather than the unlined suede interior typical of many vintage Coach classics",
                    "photo 1: decorative ring-and-strap front construction does not closely match the listed classic Coach silhouettes",
                    "photo 3: no creed patch is visible on the shown interior wall",
                    "photo 4: no serial\/style tag is visible in the shown interior",
                    "photo 1: seller lists the item as unbranded, with no independent brand evidence in the description"
                ],
                "missing_information": [
                    "photo 3-5: a complete inspection of all interior walls, slip pockets, and seams for a hidden brand label or fabric tag",
                    "photo 1-2: close-ups of every zipper pull, clasp, rivet, and strap attachment for any brand engraving",
                    "photo 1-2: dimensions and a straight-on close-up of the front and back",
                    "photo 2: close-up of the underside, all corners, and edge wear"
                ],
                "authenticity_concerns": [
                    "photo 1: no Coach identifier is visible, and the generic decorative hardware and lined construction provide little support for Coach manufacture",
                    "photo 3: the fabric-lined, modern-looking construction is inconsistent with a typical vintage glove-tanned Coach classic"
                ],
                "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 1-2: gold-tone ring hardware, rivets, zipper, and strap clips are visible; no readable brand engraving is visible",
                    "leather_description": "photo 1-2: yellow pebbled leather with brown leather trim and handles; exact leather type cannot be determined from photos",
                    "lining_description": "photo 3-5: gray fabric lining with a repeating chevron pattern and an interior pocket; no creed patch or brand label is visible",
                    "strap_construction": "photo 1-2: detachable adjustable brown shoulder\/crossbody strap with stitched edges and metal clips",
                    "stitching_description": "photo 1-2: generally visible, regular contrasting stitching on brown trim and straps; some edges and stress points are not sufficiently close for detailed assessment"
                },
                "possible_model_reasoning": [
                    "No Coach model is a close enough match from the visible ring-hardware and decorative strap construction; this is better treated as a generic modern leather shoulder bag.",
                    "photo 3-5: the lined interior and contemporary pebbled-leather construction suggest modern production rather than a pre-2000 Coach classic.",
                    "Condition: Very Good provisionally; the leather and hardware appear intact with limited visible wear, but the interior, corners, odor, and strap stress points are not fully assessable."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 12,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 8,
                "image_quality_score": 0.72,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of any interior leather creed patch or fabric brand tag in raking light - none visible in photos 3-5",
                    "close-up of zipper pull brand stamp and hardware engravings",
                    "confirmation of exterior material from seller - grain suggests coated faux leather"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: zip-top satchel with contrast brown trim, O-ring handle attachments and front circular applique - no Coach catalog silhouette, no turnlock",
                    "photo 3, photo 4, photo 5: fully lined with light gray herringbone polyester fabric with slip and zip pockets - not unlined glove-tanned suede-back leather of vintage Coach classics",
                    "photo 1, photo 2, photo 6: uniform pebbled grain with sheen and two-tone trim, thin flexible structure - not full-grain glove-tanned cowhide",
                    "photo 3, photo 4, photo 5: no leather creed patch visible on interior back wall or slip pocket where Coach creed would sit",
                    "photo 1, photo 2: no COACH wordmark, horse-and-carriage, or leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone O-rings, small buckles, top zipper with brown tape, four dome base feet; appears plated, not solid brass; no COACH engraving visible",
                    "leather_description": "mustard-yellow pebbled grain exterior with medium-brown contrast trim and handles; uniform embossed grain with slight sheen, suggests faux \/ bonded \/ heavily coated leather, not glove-tanned full-grain",
                    "lining_description": "light gray herringbone-pattern polyester fabric lining throughout, with fabric slip divider and zip pocket visible in photos 3-5",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even machine stitching with light contrast thread on brown trim, visible on handles and vertical straps",
                    "strap_construction": "two short rolled top handles on O-rings plus detachable thin adjustable crossbody strap with buckle and lobster-type clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifiers observed in any view to decode for model or era",
                    "Silhouette, zip-top closure, O-ring hardware, contrast trim, circular patch and fabric lining do not match any Classic glove-tanned era style such as Willis (9927), Court (9870), Station (5130), Dinky (9375)",
                    "Condition: Very Good to Excellent as photographed; exterior clean with no major corner wear (photo 6: bottom clean), interior clean (photos 3-5), structure soft but intact"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.04
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28772,
            "output_tokens": 819,
            "total_tokens": 29591,
            "estimated_cost_usd": 0.013474
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30085,
            "output_tokens": 1427,
            "total_tokens": 31512,
            "estimated_cost_usd": 0.007159
        }
    ]
}