Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.015,
    "vintage_probability": 0.115,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.77,
    "seller_misidentification_probability": 0.04,
    "confidence": 0.92,
    "recommended_max_bid": 9,
    "estimated_resale_low": 9,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag with structured satchel construction, top handles, zipper closure, and metal feet.",
        "photo 2: Exterior medallion visibly reads \"SAINT BORSE\" and shows a Saint Borse emblem.",
        "photo 6: Attached leather hangtag visibly reads Saint Borse."
    ],
    "negative_evidence": [
        "photo 1: The front branding is Saint Borse, not COACH, and there is no Coach horse-and-carriage mark.",
        "photo 2: The prominent circular emblem and lettering are unrelated to Coach branding.",
        "photo 3: The bag uses a large front zipper and decorative medallion rather than a recognizable vintage Coach turnlock silhouette.",
        "photo 4: The construction appears to use shiny, pebbled synthetic or faux leather consistent with the seller's description, not vintage Coach glove-tanned leather.",
        "photo 5: Bottom hardware and construction do not show a Coach identifier.",
        "photo 6: The visible hangtag is branded Saint Borse rather than Coach.",
        "photo 2: flap medallion embossed SAINT BORSE with SAINT BORSE logo medallion, not Coach turnlock or Coach wordmark",
        "photo 6: leather hangtag reads ST. BORSE SUPERIOR DESIGNER, not COACH",
        "photo 1-4: two-tone black body with tan trim and contrast stitching, not a Coach catalog silhouette",
        "photo 3-4: top zip closure with rolled top handles, no Coach turnlock geometry",
        "seller states pebbled faux leather and lined interior; faux\/PU and lined construction is inconsistent with vintage glove-tanned unlined Coach classics"
    ],
    "missing_information": [
        "photo 3: Interior is not shown; lining, interior label, and any additional brand markings cannot be assessed.",
        "photo 1: Full strap, if included, is not shown.",
        "photo 3: Zipper-pull markings and interior construction are not shown.",
        "photo 5: interior \/ lining not shown, lining condition unknown",
        "photo 1-6: no Coach creed patch shown; no close-up of interior pocket where creed would sit",
        "photo 2: maker medallion legible as SAINT BORSE, no Coach wordmark or horse-and-carriage observed"
    ],
    "authenticity_concerns": [
        "photo 1: The visible Saint Borse branding directly conflicts with identifying this as a Coach bag.",
        "photo 2: The decorative logo medallion is a different brand mark, not a Coach identifier.",
        "photo 4: The seller describes the material as faux leather, which is inconsistent with classic vintage Coach glove-tanned leather."
    ],
    "possible_model_reasoning": [
        "The proportions and top-handle satchel shape are consistent with a generic Saint Borse handbag, not a catalogued Coach model.",
        "The visible Saint Borse emblem and hangtag establish a non-Coach brand; no Coach creed, serial, wordmark, or carriage is visible.",
        "Condition: Good; the bag shows substantial creasing and folding in the black body (photos 1, 4, and 5), while hardware and stitching appear intact. Interior condition is unknown.",
        "No Coach identifier visible in any photo; brand is positively identified as Saint Borse from embossing and hangtag, so no Coach model applies",
        "Era is modern non-Coach based on faux leather, lined construction, plated hardware and Saint Borse branding",
        "Condition: Good; photo 1 and 4 show handle darkening and softening, photo 5 shows bottom feet intact but body slouching; interior 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": true,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photos 1, 3, 5, 6: Gold-tone hardware, top zipper, metal feet, rings, snaps, and a ball-chain attachment; no Coach engraving visible.",
        "leather_description": "photos 1, 2, 4, 5: Black pebbled material with brown trim and a glossy synthetic-looking finish; seller identifies it as faux leather.",
        "lining_description": "not_visible; seller states lined interior with zip pocket but interior not shown in photos",
        "strap_construction": "photos 1, 3, 6: Two fixed top handles with metal attachments; a longer shoulder strap is not visible.",
        "stitching_description": "photos 1, 2, 3, 6: Visible contrasting light stitching is generally even along the brown trim and handles."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0023,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.01,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag with structured satchel construction, top handles, zipper closure, and metal feet.",
                    "photo 2: Exterior medallion visibly reads \"SAINT BORSE\" and shows a Saint Borse emblem.",
                    "photo 6: Attached leather hangtag visibly reads Saint Borse."
                ],
                "negative_evidence": [
                    "photo 1: The front branding is Saint Borse, not COACH, and there is no Coach horse-and-carriage mark.",
                    "photo 2: The prominent circular emblem and lettering are unrelated to Coach branding.",
                    "photo 3: The bag uses a large front zipper and decorative medallion rather than a recognizable vintage Coach turnlock silhouette.",
                    "photo 4: The construction appears to use shiny, pebbled synthetic or faux leather consistent with the seller's description, not vintage Coach glove-tanned leather.",
                    "photo 5: Bottom hardware and construction do not show a Coach identifier.",
                    "photo 6: The visible hangtag is branded Saint Borse rather than Coach."
                ],
                "missing_information": [
                    "photo 3: Interior is not shown; lining, interior label, and any additional brand markings cannot be assessed.",
                    "photo 1: Full strap, if included, is not shown.",
                    "photo 3: Zipper-pull markings and interior construction are not shown."
                ],
                "authenticity_concerns": [
                    "photo 1: The visible Saint Borse branding directly conflicts with identifying this as a Coach bag.",
                    "photo 2: The decorative logo medallion is a different brand mark, not a Coach identifier.",
                    "photo 4: The seller describes the material as faux leather, which is inconsistent with classic vintage Coach glove-tanned leather."
                ],
                "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": true,
                    "hardware_description": "photos 1, 3, 5, 6: Gold-tone hardware, top zipper, metal feet, rings, snaps, and a ball-chain attachment; no Coach engraving visible.",
                    "leather_description": "photos 1, 2, 4, 5: Black pebbled material with brown trim and a glossy synthetic-looking finish; seller identifies it as faux leather.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1, 3, 6: Two fixed top handles with metal attachments; a longer shoulder strap is not visible.",
                    "stitching_description": "photos 1, 2, 3, 6: Visible contrasting light stitching is generally even along the brown trim and handles."
                },
                "possible_model_reasoning": [
                    "The proportions and top-handle satchel shape are consistent with a generic Saint Borse handbag, not a catalogued Coach model.",
                    "The visible Saint Borse emblem and hangtag establish a non-Coach brand; no Coach creed, serial, wordmark, or carriage is visible.",
                    "Condition: Good; the bag shows substantial creasing and folding in the black body (photos 1, 4, and 5), while hardware and stitching appear intact. Interior condition is unknown."
                ],
                "confidence": 0.94,
                "recommended_max_bid": 8,
                "estimated_resale_low": 8,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.68,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 5: interior \/ lining not shown, lining condition unknown",
                    "photo 1-6: no Coach creed patch shown; no close-up of interior pocket where creed would sit",
                    "photo 2: maker medallion legible as SAINT BORSE, no Coach wordmark or horse-and-carriage observed"
                ],
                "negative_evidence": [
                    "photo 2: flap medallion embossed SAINT BORSE with SAINT BORSE logo medallion, not Coach turnlock or Coach wordmark",
                    "photo 6: leather hangtag reads ST. BORSE SUPERIOR DESIGNER, not COACH",
                    "photo 1-4: two-tone black body with tan trim and contrast stitching, not a Coach catalog silhouette",
                    "photo 3-4: top zip closure with rolled top handles, no Coach turnlock geometry",
                    "seller states pebbled faux leather and lined interior; faux\/PU and lined construction is inconsistent with vintage glove-tanned unlined Coach classics"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": true,
                    "hardware_description": "gold-tone hardware; round logo medallion clasp on flap, D-rings, rivets, zipper and bottom feet; bead-chain with leather tag; tone is bright plated, not solid vintage brass",
                    "leather_description": "black pebbled grain body with tan trim; seller states faux leather; sheen and grain inconsistent with glove-tanned cowhide",
                    "lining_description": "not_visible; seller states lined interior with zip pocket but interior not shown in photos",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "light contrast stitching visible on tan trim, even but light-colored thread not tone-matched as on vintage Coach",
                    "strap_construction": "dual rolled top handles in tan with metal D-ring attachments; no detachable crossbody strap shown",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any photo; brand is positively identified as Saint Borse from embossing and hangtag, so no Coach model applies",
                    "Era is modern non-Coach based on faux leather, lined construction, plated hardware and Saint Borse branding",
                    "Condition: Good; photo 1 and 4 show handle darkening and softening, photo 5 shows bottom feet intact but body slouching; interior not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.05,
                "vintage_probability": 0.2
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18125,
            "output_tokens": 895,
            "total_tokens": 19020,
            "estimated_cost_usd": 0.009398
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18679,
            "output_tokens": 1304,
            "total_tokens": 19983,
            "estimated_cost_usd": 0.004779
        }
    ]
}