Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.035,
    "vintage_probability": 0.415,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.705,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.75,
    "recommended_max_bid": 15,
    "estimated_resale_low": 20,
    "estimated_resale_high": 52.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather crossbody\/shoulder handbag with substantial leather construction.",
        "photo 2: tan-brown leather and long adjustable strap are broadly compatible with vintage leather bags.",
        "photo 1-6: genuine leather soft hobo\/crossbody handbag with aged patina",
        "photo 1-3: unlined-appearing suede-like interior glimpse, which alone is not Coach-specific"
    ],
    "negative_evidence": [
        "photo 1: prominent decorative V-shaped patchwork is not a recognizable classic Coach silhouette or construction cue.",
        "photo 2: visible hardware appears silver-tone snap\/rivet hardware rather than the solid brass turnlock hardware typical of many vintage Coach classics.",
        "photo 6: no visible Coach wordmark, horse-and-carriage, creed patch, hangtag, or other Coach identifier.",
        "photo 3: the bag has an unstructured open-top design and extensive decorative panel stitching, with no visible catalog-specific Coach details.",
        "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible anywhere",
        "photo 1-6: no turnlock or Coach-type solid brass hardware; only silver-tone rivets (photo 5) and silver-tone strap buckle (photo 4, photo 6)",
        "photo 1-4, photo 6: chevron V-pattern patchwork \/ seamed panel construction with center spine seam, not a known vintage Coach catalog silhouette or construction",
        "photo 5-6: nickel\/silver-tone hardware tone inconsistent with 1970s-early 1990s Coach classics which use solid brass throughout",
        "photo 1-3: open-top soft hobo with riveted strap tabs, no flap, no turnlock keeper, no dogleash clips, no brass bead-chain hangtag"
    ],
    "missing_information": [
        "photo 1-6: no clear interior view or interior back-wall\/pocket view showing whether a creed patch or fabric label exists.",
        "photo 1-6: no readable close-up of any maker mark, zipper, hardware engraving, or country-of-origin stamp.",
        "photo 1-6: bottom, interior condition, and full strap attachment details are not sufficiently documented.",
        "seller-stated dimensions and any claimed material or brand history are not provided.",
        "photo of interior emptied showing back wall \/ pockets and any creed patch or fabric labels (photos 1-3 show only glimpses of interior)",
        "straight-on creed \/ stamp close-up in raking light if any patch exists",
        "close-up of hardware stamps on buckle, rivets, zipper if any",
        "bottom view showing all four corners and base construction",
        "seller-stated dimensions and weight for scale"
    ],
    "authenticity_concerns": [
        "photo 1-6: no Coach identifier is visible, so Coach manufacture cannot be supported; the bag is more consistent with an unbranded or independent patchwork leather bag than a recognizable Coach model."
    ],
    "possible_model_reasoning": [
        "photo 1-6: no plausible Coach model match; the silhouette and decorative patchwork do not closely match the listed classic Coach City Bag, Court, Willis, Station, or Dinky styles.",
        "Condition: Good to Very Good based on visible patina, creasing, and edge wear; the interior and bottom are not adequately shown, so condition cannot be graded more precisely.",
        "No Coach model fits: chevron patchwork open hobo with silver rivets\/buckle and no flap\/turnlock matches no catalog style in 4.2 (City 9790, Willis 9927, Court 9870, Station 5130, Duffle 9085, etc.)",
        "Era cannot be dated by Coach identifiers because none are visible; patchwork hobo styling suggests 1970s-1980s generic vintage but without labels this remains unknown",
        "Condition: Very Good to Good; leather soft with patina and light scuffs\/darkening (photo 1-4), shape slouchy but intact, strap appears intact (photo 4, 6), corners\/bottom and interior not fully shown so capped"
    ],
    "estimated_era": "unknown",
    "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, photo 5: silver-tone rivets\/snaps and strap hardware are visible; no Coach engraving is legible.",
        "leather_description": "photo 1-6: tan-brown leather with extensive stitched or appliqu\u00e9d diagonal panels and visible patina\/creasing; exact leather type is not determinable.",
        "lining_description": "not_visible - interior glimpsed in photo 1-3 as tan raw suede-like surface suggesting unlined bag, but emptied interior wall\/pocket view not shown so lining type cannot be determined",
        "strap_construction": "photo 2, photo 4, photo 6: long adjustable leather crossbody strap attached with leather tabs and metal hardware; some edge wear and creasing are visible.",
        "stitching_description": "photo 1-6: visible decorative stitching is generally regular but forms an elaborate patchwork\/V pattern rather than a typical plain vintage Coach panel construction."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0068,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.04,
                "vintage_probability": 0.28,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.06,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a leather crossbody\/shoulder handbag with substantial leather construction.",
                    "photo 2: tan-brown leather and long adjustable strap are broadly compatible with vintage leather bags."
                ],
                "negative_evidence": [
                    "photo 1: prominent decorative V-shaped patchwork is not a recognizable classic Coach silhouette or construction cue.",
                    "photo 2: visible hardware appears silver-tone snap\/rivet hardware rather than the solid brass turnlock hardware typical of many vintage Coach classics.",
                    "photo 6: no visible Coach wordmark, horse-and-carriage, creed patch, hangtag, or other Coach identifier.",
                    "photo 3: the bag has an unstructured open-top design and extensive decorative panel stitching, with no visible catalog-specific Coach details."
                ],
                "missing_information": [
                    "photo 1-6: no clear interior view or interior back-wall\/pocket view showing whether a creed patch or fabric label exists.",
                    "photo 1-6: no readable close-up of any maker mark, zipper, hardware engraving, or country-of-origin stamp.",
                    "photo 1-6: bottom, interior condition, and full strap attachment details are not sufficiently documented.",
                    "seller-stated dimensions and any claimed material or brand history are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1-6: no Coach identifier is visible, so Coach manufacture cannot be supported; the bag is more consistent with an unbranded or independent patchwork leather bag than a recognizable Coach model."
                ],
                "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, photo 5: silver-tone rivets\/snaps and strap hardware are visible; no Coach engraving is legible.",
                    "leather_description": "photo 1-6: tan-brown leather with extensive stitched or appliqu\u00e9d diagonal panels and visible patina\/creasing; exact leather type is not determinable.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 2, photo 4, photo 6: long adjustable leather crossbody strap attached with leather tabs and metal hardware; some edge wear and creasing are visible.",
                    "stitching_description": "photo 1-6: visible decorative stitching is generally regular but forms an elaborate patchwork\/V pattern rather than a typical plain vintage Coach panel construction."
                },
                "possible_model_reasoning": [
                    "photo 1-6: no plausible Coach model match; the silhouette and decorative patchwork do not closely match the listed classic Coach City Bag, Court, Willis, Station, or Dinky styles.",
                    "Condition: Good to Very Good based on visible patina, creasing, and edge wear; the interior and bottom are not adequately shown, so condition cannot be graded more precisely."
                ],
                "confidence": 0.82,
                "recommended_max_bid": 15,
                "estimated_resale_low": 20,
                "estimated_resale_high": 60
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.68,
                "estimated_era": "unknown",
                "estimated_resale_high": 45,
                "estimated_resale_low": 20,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of interior emptied showing back wall \/ pockets and any creed patch or fabric labels (photos 1-3 show only glimpses of interior)",
                    "straight-on creed \/ stamp close-up in raking light if any patch exists",
                    "close-up of hardware stamps on buckle, rivets, zipper if any",
                    "bottom view showing all four corners and base construction",
                    "seller-stated dimensions and weight for scale"
                ],
                "negative_evidence": [
                    "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible anywhere",
                    "photo 1-6: no turnlock or Coach-type solid brass hardware; only silver-tone rivets (photo 5) and silver-tone strap buckle (photo 4, photo 6)",
                    "photo 1-4, photo 6: chevron V-pattern patchwork \/ seamed panel construction with center spine seam, not a known vintage Coach catalog silhouette or construction",
                    "photo 5-6: nickel\/silver-tone hardware tone inconsistent with 1970s-early 1990s Coach classics which use solid brass throughout",
                    "photo 1-3: open-top soft hobo with riveted strap tabs, no flap, no turnlock keeper, no dogleash clips, no brass bead-chain hangtag"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 5: four silver-tone dome rivets securing strap tab; photo 4, photo 6: silver-tone adjustable buckle on strap; no brass, no turnlock, no engraved marks legible",
                    "leather_description": "photo 1-6: tan \/ British-tan-like soft leather with chevron V-pattern seamed patchwork panels, patina and softening, surface scuffs and darkening consistent with age and use",
                    "lining_description": "not_visible - interior glimpsed in photo 1-3 as tan raw suede-like surface suggesting unlined bag, but emptied interior wall\/pocket view not shown so lining type cannot be determined",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 1-4, photo 6: visible straight topstitching along diagonal patchwork seams and center spine, thread generally tone-matched; no detailed stitch close-up",
                    "strap_construction": "photo 2, photo 4, photo 6: single long flat leather crossbody\/shoulder strap, buckle-adjustable, attached via sewn\/riveted end tabs looped through top corners",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-6: genuine leather soft hobo\/crossbody handbag with aged patina",
                    "photo 1-3: unlined-appearing suede-like interior glimpse, which alone is not Coach-specific"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: chevron patchwork open hobo with silver rivets\/buckle and no flap\/turnlock matches no catalog style in 4.2 (City 9790, Willis 9927, Court 9870, Station 5130, Duffle 9085, etc.)",
                    "Era cannot be dated by Coach identifiers because none are visible; patchwork hobo styling suggests 1970s-1980s generic vintage but without labels this remains unknown",
                    "Condition: Very Good to Good; leather soft with patina and light scuffs\/darkening (photo 1-4), shape slouchy but intact, strap appears intact (photo 4, 6), corners\/bottom and interior not fully shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.04,
                "vintage_probability": 0.55
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 21251,
            "output_tokens": 839,
            "total_tokens": 22090,
            "estimated_cost_usd": 0.010514
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 21933,
            "output_tokens": 1786,
            "total_tokens": 23719,
            "estimated_cost_usd": 0.005815
        }
    ]
}