Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.115,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.84,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.89,
    "recommended_max_bid": 11,
    "estimated_resale_low": 17.5,
    "estimated_resale_high": 50,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a large leather shoulder tote with substantial leather handles.",
        "photo 6: interior appears suede-lined and the bag is constructed from leather, which is compatible with the general material profile of some vintage Coach bags."
    ],
    "negative_evidence": [
        "photo 1: prominent colorful woven textile side panels and an oversized open tote silhouette are not recognizable Coach catalog cues.",
        "photo 2: no Coach wordmark, horse-and-carriage, leather hangtag, creed patch, turnlock, or other Coach identifier is visible.",
        "photo 2: handle tabs use decorative X stitching and rivets rather than recognizable Coach classic construction.",
        "photo 3: the woven side gusset and handmade-looking edge construction strongly suggest an artisan or unbranded bag.",
        "photo 6: interior shows a plain suede-like lining with no visible Coach creed or label.",
        "Listing title and seller brand identify the item as handmade and unbranded; this is weak contextual support for a non-Coach item.",
        "photo 1,2,3,4: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible anywhere",
        "photo 1,3,4: woven kilim \/ southwestern-pattern fabric side gussets - Coach classics are all-leather, never fabric-sided rustic totes",
        "photo 2,5: open-top tote with no turnlock, no zip, no flap closure - lacks classic Coach closure\/hardware vocabulary",
        "photo 5: rolled handles attached with rectangular X-stitched tabs and single brass-tone rivet - not Coach handle\/strap construction, no dogleash, buckle or dowel",
        "photo 2,5: distressed pull-up\/crazy-horse finish with heavy burnishing\/scratching - not vintage Coach glove-tanned cowhide grain\/patina"
    ],
    "missing_information": [
        "photo 6: a complete empty-interior view, including every interior wall and pocket, to confirm no hidden label or creed.",
        "photo 1: clear images of the reverse, bottom, and all corners.",
        "photo 1: close-ups of any zipper, snaps, rivets, or other hardware markings.",
        "photo 1: seller-stated dimensions and approximate date or provenance.",
        "photo 6: interior only partially shown with books inside - fully emptied interior and bottom view not shown",
        "photo 1-4: no makers mark, brand stamp, creed patch or fabric tag visible - confirm none present"
    ],
    "authenticity_concerns": [
        "The bag lacks the identifiers and recognizable construction expected for Coach, and its textile gussets and handmade styling are inconsistent with the listed vintage Coach model catalog.",
        "No authentication-specific concern can be established beyond the strong likelihood that this is an unbranded lookalike or artisan-made tote rather than a Coach product."
    ],
    "possible_model_reasoning": [
        "The silhouette does not closely match the listed classic Coach tote models; no Coach model is proposed.",
        "The woven side panels, open top, plain rivets, decorative handle-tab stitching, and absence of a creed are more consistent with an unbranded handmade leather tote.",
        "Condition: Good\/Fair; substantial surface wear, extensive creasing, distressed leather, worn textile gusset edges, and unknown odor or hidden interior defects. The bottom and full interior are not completely documented.",
        "No Coach model fits: silhouette is large open tote with textile side panels and riveted rolled handles, inconsistent with any catalog classic (City Bag, Duffle, Tote, etc.)",
        "No hard identifiers: no creed, serial, wordmark, hangtag, solid-brass turnlock or Talon\/YKK Coach hardware in any of 6 photos",
        "Construction\/materials point away from Coach: kilim fabric gussets, distressed leather, rivet-only hardware never used on vintage Coach",
        "Condition: Good to Very Good for a handmade tote; leather scuffed\/distressed by design (photo 2), no corner wear-through shown, interior suede looks clean where visible (photo 6), bottom\/interior fully not shown so 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 2: small plain round rivets at the handle attachments; no turnlock or branded hardware visible.",
        "leather_description": "photos 1-5: dark brown distressed leather with extensive creasing, scratches, and lighter wear lines; leather appears substantial but exact type is not determinable.",
        "lining_description": "photo 6: tan suede-like interior visible; no label or creed visible in the photographed area.",
        "strap_construction": "photos 1-5: two long rounded leather shoulder handles attached with rectangular leather tabs and rivets; no detachable strap visible.",
        "stitching_description": "photos 1-6: visible perimeter stitching and decorative X stitching on handle tabs; construction appears handmade or artisan-style, with some unevenness and worn edges."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0013,
    "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": 0.9,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a large leather shoulder tote with substantial leather handles.",
                    "photo 6: interior appears suede-lined and the bag is constructed from leather, which is compatible with the general material profile of some vintage Coach bags."
                ],
                "negative_evidence": [
                    "photo 1: prominent colorful woven textile side panels and an oversized open tote silhouette are not recognizable Coach catalog cues.",
                    "photo 2: no Coach wordmark, horse-and-carriage, leather hangtag, creed patch, turnlock, or other Coach identifier is visible.",
                    "photo 2: handle tabs use decorative X stitching and rivets rather than recognizable Coach classic construction.",
                    "photo 3: the woven side gusset and handmade-looking edge construction strongly suggest an artisan or unbranded bag.",
                    "photo 6: interior shows a plain suede-like lining with no visible Coach creed or label.",
                    "Listing title and seller brand identify the item as handmade and unbranded; this is weak contextual support for a non-Coach item."
                ],
                "missing_information": [
                    "photo 6: a complete empty-interior view, including every interior wall and pocket, to confirm no hidden label or creed.",
                    "photo 1: clear images of the reverse, bottom, and all corners.",
                    "photo 1: close-ups of any zipper, snaps, rivets, or other hardware markings.",
                    "photo 1: seller-stated dimensions and approximate date or provenance."
                ],
                "authenticity_concerns": [
                    "The bag lacks the identifiers and recognizable construction expected for Coach, and its textile gussets and handmade styling are inconsistent with the listed vintage Coach model catalog.",
                    "No authentication-specific concern can be established beyond the strong likelihood that this is an unbranded lookalike or artisan-made tote rather than a Coach product."
                ],
                "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 2: small plain round rivets at the handle attachments; no turnlock or branded hardware visible.",
                    "leather_description": "photos 1-5: dark brown distressed leather with extensive creasing, scratches, and lighter wear lines; leather appears substantial but exact type is not determinable.",
                    "lining_description": "photo 6: tan suede-like interior visible; no label or creed visible in the photographed area.",
                    "strap_construction": "photos 1-5: two long rounded leather shoulder handles attached with rectangular leather tabs and rivets; no detachable strap visible.",
                    "stitching_description": "photos 1-6: visible perimeter stitching and decorative X stitching on handle tabs; construction appears handmade or artisan-style, with some unevenness and worn edges."
                },
                "possible_model_reasoning": [
                    "The silhouette does not closely match the listed classic Coach tote models; no Coach model is proposed.",
                    "The woven side panels, open top, plain rivets, decorative handle-tab stitching, and absence of a creed are more consistent with an unbranded handmade leather tote.",
                    "Condition: Good\/Fair; substantial surface wear, extensive creasing, distressed leather, worn textile gusset edges, and unknown odor or hidden interior defects. The bottom and full interior are not completely documented."
                ],
                "confidence": 0.9,
                "recommended_max_bid": 10,
                "estimated_resale_low": 20,
                "estimated_resale_high": 60
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 40,
                "estimated_resale_low": 15,
                "image_quality_score": 0.78,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 6: interior only partially shown with books inside - fully emptied interior and bottom view not shown",
                    "photo 1-4: no makers mark, brand stamp, creed patch or fabric tag visible - confirm none present"
                ],
                "negative_evidence": [
                    "photo 1,2,3,4: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible anywhere",
                    "photo 1,3,4: woven kilim \/ southwestern-pattern fabric side gussets - Coach classics are all-leather, never fabric-sided rustic totes",
                    "photo 2,5: open-top tote with no turnlock, no zip, no flap closure - lacks classic Coach closure\/hardware vocabulary",
                    "photo 5: rolled handles attached with rectangular X-stitched tabs and single brass-tone rivet - not Coach handle\/strap construction, no dogleash, buckle or dowel",
                    "photo 2,5: distressed pull-up\/crazy-horse finish with heavy burnishing\/scratching - not vintage Coach glove-tanned cowhide grain\/patina"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "small brass-tone cap rivets at handle tabs only; no turnlock, buckles, D-rings, zippers or stamped hardware visible",
                    "leather_description": "dark brown distressed pull-up leather front\/back panels with heavy burnish, scratches and color variation; rolled leather shoulder handles",
                    "lining_description": "unlined with tan suede flesh side visible in photo 6; exterior side gussets are printed\/woven kilim-pattern textile in blue\/red\/beige",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "contrast tan thread, straight perimeter stitching and X-box stitching on handle tabs visible in photo 5; no matched-tone tight Coach stitching",
                    "strap_construction": "two fixed rolled shoulder handles, sewn and riveted directly to body, non-adjustable, non-detachable",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: silhouette is large open tote with textile side panels and riveted rolled handles, inconsistent with any catalog classic (City Bag, Duffle, Tote, etc.)",
                    "No hard identifiers: no creed, serial, wordmark, hangtag, solid-brass turnlock or Talon\/YKK Coach hardware in any of 6 photos",
                    "Construction\/materials point away from Coach: kilim fabric gussets, distressed leather, rivet-only hardware never used on vintage Coach",
                    "Condition: Good to Very Good for a handmade tote; leather scuffed\/distressed by design (photo 2), no corner wear-through shown, interior suede looks clean where visible (photo 6), bottom\/interior fully not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28535,
            "output_tokens": 874,
            "total_tokens": 29409,
            "estimated_cost_usd": 0.013512
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30047,
            "output_tokens": 1441,
            "total_tokens": 31488,
            "estimated_cost_usd": 0.007162
        }
    ]
}