Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.03,
    "vintage_probability": 0.34,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.78,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.865,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 15,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather or suede shoulder handbag with a long strap and multiple exterior zippers.",
        "photo 2: visible brass-tone rings, strap attachments, and bottom feet are consistent with a vintage-style leather bag, but not specifically Coach.",
        "photo 3: suede-like interior\/body material and U.S.-made seller-stated context are visible, though no Coach identifier appears.",
        "photo 6: YKK zipper pull, a zipper brand also used by Coach in 1990s",
        "photo 1-5: all-leather Made in USA type vintage shoulder bag per seller title, same population where vintage Coach hides"
    ],
    "negative_evidence": [
        "photo 1: front has no visible Coach wordmark, horse-and-carriage, creed patch, or hangtag.",
        "photo 2: reverse construction has multiple zipper compartments and a western\/boho utility design unlike the listed classic Coach silhouettes.",
        "photo 5: zipper pull is visibly stamped YKK; this does not support Coach manufacture and is not a vintage Coach-specific zipper cue.",
        "photo 1: hardware and edge construction appear generic rather than the characteristic Coach turnlock or dogleash hardware.",
        "photo 3: interior and body appear suede-like, but no brand label or creed is visible.",
        "photo 1-2: no turnlock, no flap, no Coach silhouette - slouchy zip-top hobo with exterior zip pocket",
        "photo 1-2: suede\/nubuck body with contrasting smooth piping trim, not vintage Coach glove-tanned cowhide",
        "photo 1-2,4: strap attaches via large thin O-rings with snap\/rivet tabs, not Coach dogleash\/lobster clips or buckle-adjustable strap",
        "photo 1-5: no COACH wordmark, horse-and-carriage, hangtag, or creed patch visible",
        "photo 2,5: double exterior back zip pockets with center seam, layout not found in Coach catalog",
        "photo 3: base feet are small brass-tone studs, not Coach Station\/Court type solid brass feet with matching construction"
    ],
    "missing_information": [
        "photo 3: no clear view of the entire interior, including any sewn-in brand label or leather patch.",
        "photo 3: no close-up of all interior pockets and seams for a possible hidden label.",
        "photo 2: no close-up of hardware markings other than the zipper pull.",
        "seller-stated dimensions and any information about odor, stains, or zipper function should be confirmed.",
        "interior views emptied showing lining and any interior labels or creed patch",
        "close-up of any brand stamp or Made in USA mark",
        "strap full length and attachment detail"
    ],
    "authenticity_concerns": [
        "photo 1: the bag lacks any visible Coach identifier despite being a leather shoulder bag.",
        "photo 2: generic western\/boho construction, multiple front zippers, and non-Coach-specific hardware are more consistent with an unbranded or other-brand bag than Coach.",
        "photo 5: YKK zipper hardware and the overall construction do not establish Coach provenance."
    ],
    "possible_model_reasoning": [
        "The silhouette is a generic western\/boho shoulder bag with multiple zip compartments, not a close match to the listed classic Coach models.",
        "The seller title says 'Deer Wear' and 'Made In USA,' but these are seller-written claims and no corresponding brand label is visible in the photos.",
        "Condition: Very Good to Good; visible creasing and handling wear in the suede, with no obvious major tears or broken hardware in the supplied views. Interior condition and odor are unknown.",
        "No Coach catalog match: zip-top suede hobo with contrast piping, O-ring strap, exterior single and double zip pockets does not match City Bag, Willis, Court, Station, Ergo or Sonoma shapes",
        "Construction read points away from Coach: suede body, piping, O-rings, contrast stitching vs unlined glove-tanned, solid brass turnlock\/dogleash Coach classics",
        "Condition: Very Good to Good; suede shows even nap with light wear, piping intact, hardware tarnished but functional (photos 1-5), interior not shown so lining unknown, odor\/mold 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 1-2: brass-tone rings, zipper hardware, and small bottom feet; no turnlock, Coach engraving, or hangtag visible.",
        "leather_description": "photo 1-5: brown suede or suede-like leather with smooth leather piping and trim; exact material cannot be confirmed from photos alone.",
        "lining_description": "photo 3-5: suede-like interior\/body surfaces are visible; no branded lining or fabric label is visible.",
        "strap_construction": "photo 1-2: long fixed shoulder strap with stitched folded sections and ring attachments; no adjustable buckle or detachable Coach-style dogleash clips visible.",
        "stitching_description": "photo 1-4: generally even contrasting stitching and stitched leather piping are visible; construction appears commercially made but not specifically Coach."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0061,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.18,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a leather or suede shoulder handbag with a long strap and multiple exterior zippers.",
                    "photo 2: visible brass-tone rings, strap attachments, and bottom feet are consistent with a vintage-style leather bag, but not specifically Coach.",
                    "photo 3: suede-like interior\/body material and U.S.-made seller-stated context are visible, though no Coach identifier appears."
                ],
                "negative_evidence": [
                    "photo 1: front has no visible Coach wordmark, horse-and-carriage, creed patch, or hangtag.",
                    "photo 2: reverse construction has multiple zipper compartments and a western\/boho utility design unlike the listed classic Coach silhouettes.",
                    "photo 5: zipper pull is visibly stamped YKK; this does not support Coach manufacture and is not a vintage Coach-specific zipper cue.",
                    "photo 1: hardware and edge construction appear generic rather than the characteristic Coach turnlock or dogleash hardware.",
                    "photo 3: interior and body appear suede-like, but no brand label or creed is visible."
                ],
                "missing_information": [
                    "photo 3: no clear view of the entire interior, including any sewn-in brand label or leather patch.",
                    "photo 3: no close-up of all interior pockets and seams for a possible hidden label.",
                    "photo 2: no close-up of hardware markings other than the zipper pull.",
                    "seller-stated dimensions and any information about odor, stains, or zipper function should be confirmed."
                ],
                "authenticity_concerns": [
                    "photo 1: the bag lacks any visible Coach identifier despite being a leather shoulder bag.",
                    "photo 2: generic western\/boho construction, multiple front zippers, and non-Coach-specific hardware are more consistent with an unbranded or other-brand bag than Coach.",
                    "photo 5: YKK zipper hardware and the overall construction do not establish Coach provenance."
                ],
                "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: brass-tone rings, zipper hardware, and small bottom feet; no turnlock, Coach engraving, or hangtag visible.",
                    "leather_description": "photo 1-5: brown suede or suede-like leather with smooth leather piping and trim; exact material cannot be confirmed from photos alone.",
                    "lining_description": "photo 3-5: suede-like interior\/body surfaces are visible; no branded lining or fabric label is visible.",
                    "strap_construction": "photo 1-2: long fixed shoulder strap with stitched folded sections and ring attachments; no adjustable buckle or detachable Coach-style dogleash clips visible.",
                    "stitching_description": "photo 1-4: generally even contrasting stitching and stitched leather piping are visible; construction appears commercially made but not specifically Coach."
                },
                "possible_model_reasoning": [
                    "The silhouette is a generic western\/boho shoulder bag with multiple zip compartments, not a close match to the listed classic Coach models.",
                    "The seller title says 'Deer Wear' and 'Made In USA,' but these are seller-written claims and no corresponding brand label is visible in the photos.",
                    "Condition: Very Good to Good; visible creasing and handling wear in the suede, with no obvious major tears or broken hardware in the supplied views. Interior condition and odor are unknown."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 15,
                "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": 0.03,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior views emptied showing lining and any interior labels or creed patch",
                    "close-up of any brand stamp or Made in USA mark",
                    "strap full length and attachment detail"
                ],
                "negative_evidence": [
                    "photo 1-2: no turnlock, no flap, no Coach silhouette - slouchy zip-top hobo with exterior zip pocket",
                    "photo 1-2: suede\/nubuck body with contrasting smooth piping trim, not vintage Coach glove-tanned cowhide",
                    "photo 1-2,4: strap attaches via large thin O-rings with snap\/rivet tabs, not Coach dogleash\/lobster clips or buckle-adjustable strap",
                    "photo 1-5: no COACH wordmark, horse-and-carriage, hangtag, or creed patch visible",
                    "photo 2,5: double exterior back zip pockets with center seam, layout not found in Coach catalog",
                    "photo 3: base feet are small brass-tone studs, not Coach Station\/Court type solid brass feet with matching construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone O-rings at strap attachments, brass-tone base studs\/feet, brass-tone YKK zipper pulls; no turnlock, no buckles, no dogleash clips",
                    "leather_description": "brown suede \/ nubuck-like napped leather body with smooth tan piping around perimeter; soft slouchy hand, not smooth glove-tanned cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tan contrast topstitching around zip pockets and perimeter, even but not tone-matched like vintage Coach",
                    "strap_construction": "narrow flat suede shoulder strap looped through O-rings with rivet\/snap tabs, non-adjustable as shown",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 6: YKK zipper pull, a zipper brand also used by Coach in 1990s",
                    "photo 1-5: all-leather Made in USA type vintage shoulder bag per seller title, same population where vintage Coach hides"
                ],
                "possible_model_reasoning": [
                    "No Coach catalog match: zip-top suede hobo with contrast piping, O-ring strap, exterior single and double zip pockets does not match City Bag, Willis, Court, Station, Ergo or Sonoma shapes",
                    "Construction read points away from Coach: suede body, piping, O-rings, contrast stitching vs unlined glove-tanned, solid brass turnlock\/dogleash Coach classics",
                    "Condition: Very Good to Good; suede shows even nap with light wear, piping intact, hardware tarnished but functional (photos 1-5), interior not shown so lining unknown, odor\/mold unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.5
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 33101,
            "output_tokens": 909,
            "total_tokens": 34010,
            "estimated_cost_usd": 0.015422
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 35572,
            "output_tokens": 1723,
            "total_tokens": 37295,
            "estimated_cost_usd": 0.008493
        }
    ]
}