Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.03,
    "vintage_probability": 0.265,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.68,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.77,
    "recommended_max_bid": 9,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a structured women\u2019s handbag with handles and a top closure.",
        "photo 6: a decorative printed or stamped emblem is visible inside, but it does not legibly read COACH."
    ],
    "negative_evidence": [
        "photo 1: glossy, heavily finished red material and contrasting construction do not resemble classic Coach glove-tanned leather.",
        "photos 1-3: the closure is a rounded ring-style fitting, not a recognizable Coach turnlock.",
        "photo 4: the interior appears fabric-lined with contrasting light trim, rather than the unlined suede-backed interior typical of many vintage Coach classics.",
        "photos 1-3 and 5: handle and edge wear exposes a coated or finished surface, with substantial finish loss.",
        "photo 6: the interior mark is partially visible but does not clearly show a COACH wordmark or a Coach creed.",
        "photo 6: interior stamped branding for non-Coach maker, not Coach creed patch or COACH wordmark",
        "photo 1, photo 2, photo 3: kisslock \/ frame clasp with ring, no Coach turnlock geometry present",
        "photo 4: fabric lining and white pebbled trim inconsistent with vintage Coach unlined glove-tanned construction",
        "photo 1, photo 2, photo 5: smooth coated red leather with edge wear and handle cracking, no glove-tanned patina or suede-back interior seen",
        "no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible in any photo"
    ],
    "missing_information": [
        "Straight-on photograph of the complete interior label or logo.",
        "Complete front, back, side, bottom, and all four corners.",
        "Close-up of the interior emblem in sharper focus.",
        "Photograph of any zipper pull, hardware stamp, or hidden brand tag.",
        "Seller-stated dimensions and material composition.",
        "full front, back, side, bottom and interior views with consistent lighting to confirm construction",
        "close-up of interior brand stamp to confirm maker",
        "confirmation whether photo 4 (white pebbled trim with burgundy fabric lining) belongs to this red bag or is a different bag"
    ],
    "authenticity_concerns": [
        "photo 6: the partially visible interior emblem is not a recognizable Coach creed and may indicate another brand or a generic decorative mark.",
        "photos 1-4: the construction and lining are inconsistent with the classic unlined glove-tanned Coach handbag styles most likely to be confused with unbranded listings.",
        "photo 6: interior gold-foil brand stamp for non-Coach maker (BON VALENTINI ROMA style text\/logo), inconsistent with Coach manufacture"
    ],
    "possible_model_reasoning": [
        "No Coach model is proposed because no recognizable Coach identifier or Coach-specific silhouette is visible.",
        "The structured frame, ring closure, glossy finished material, and contrasting lining are more consistent with a generic vintage handbag than a classic Coach style.",
        "Condition: Good to Fair; substantial handle finish loss and edge wear are visible in photos 1-3 and 5, while the full bottom and interior condition are not shown.",
        "No Coach model fits: kisslock frame top-handle silhouette with non-Coach Roma brand stamp does not match any Coach catalog style in section 4",
        "Era reasoning: construction, fabric lining and branded Roma stamp point to non-Coach vintage-style bag, not a Coach era",
        "Condition: Good to Fair; handle surface cracking (photo 2), bottom edge wear (photo 5), minor surface marks (photo 1); interior not fully shown so lining\/odor 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": "Gold-tone rounded ring-style closure visible in photos 1-3; no legible Coach engraving is visible.",
        "leather_description": "Smooth glossy red material with finish loss, scratches, and edge wear; exact material cannot be confirmed from photos.",
        "lining_description": "Dark red fabric-like lining with contrasting light-colored trim visible in photo 4; full interior construction not shown.",
        "strap_construction": "Two long rounded red handles, apparently stitched or wrapped, with extensive cracking and finish loss visible in photos 1-3.",
        "stitching_description": "Visible perimeter stitching appears generally regular, but close-up construction and stress-point stitching are not fully assessable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0021,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.18,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.76,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a structured women\u2019s handbag with handles and a top closure.",
                    "photo 6: a decorative printed or stamped emblem is visible inside, but it does not legibly read COACH."
                ],
                "negative_evidence": [
                    "photo 1: glossy, heavily finished red material and contrasting construction do not resemble classic Coach glove-tanned leather.",
                    "photos 1-3: the closure is a rounded ring-style fitting, not a recognizable Coach turnlock.",
                    "photo 4: the interior appears fabric-lined with contrasting light trim, rather than the unlined suede-backed interior typical of many vintage Coach classics.",
                    "photos 1-3 and 5: handle and edge wear exposes a coated or finished surface, with substantial finish loss.",
                    "photo 6: the interior mark is partially visible but does not clearly show a COACH wordmark or a Coach creed."
                ],
                "missing_information": [
                    "Straight-on photograph of the complete interior label or logo.",
                    "Complete front, back, side, bottom, and all four corners.",
                    "Close-up of the interior emblem in sharper focus.",
                    "Photograph of any zipper pull, hardware stamp, or hidden brand tag.",
                    "Seller-stated dimensions and material composition."
                ],
                "authenticity_concerns": [
                    "photo 6: the partially visible interior emblem is not a recognizable Coach creed and may indicate another brand or a generic decorative mark.",
                    "photos 1-4: the construction and lining are inconsistent with the classic unlined glove-tanned Coach handbag styles most likely to be confused with unbranded listings."
                ],
                "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": "Gold-tone rounded ring-style closure visible in photos 1-3; no legible Coach engraving is visible.",
                    "leather_description": "Smooth glossy red material with finish loss, scratches, and edge wear; exact material cannot be confirmed from photos.",
                    "lining_description": "Dark red fabric-like lining with contrasting light-colored trim visible in photo 4; full interior construction not shown.",
                    "strap_construction": "Two long rounded red handles, apparently stitched or wrapped, with extensive cracking and finish loss visible in photos 1-3.",
                    "stitching_description": "Visible perimeter stitching appears generally regular, but close-up construction and stress-point stitching are not fully assessable."
                },
                "possible_model_reasoning": [
                    "No Coach model is proposed because no recognizable Coach identifier or Coach-specific silhouette is visible.",
                    "The structured frame, ring closure, glossy finished material, and contrasting lining are more consistent with a generic vintage handbag than a classic Coach style.",
                    "Condition: Good to Fair; substantial handle finish loss and edge wear are visible in photos 1-3 and 5, while the full bottom and interior condition are not shown."
                ],
                "confidence": 0.76,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 6: interior gold-foil brand stamp for non-Coach maker (BON VALENTINI ROMA style text\/logo), inconsistent with Coach manufacture"
                ],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.78,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "full front, back, side, bottom and interior views with consistent lighting to confirm construction",
                    "close-up of interior brand stamp to confirm maker",
                    "confirmation whether photo 4 (white pebbled trim with burgundy fabric lining) belongs to this red bag or is a different bag"
                ],
                "negative_evidence": [
                    "photo 6: interior stamped branding for non-Coach maker, not Coach creed patch or COACH wordmark",
                    "photo 1, photo 2, photo 3: kisslock \/ frame clasp with ring, no Coach turnlock geometry present",
                    "photo 4: fabric lining and white pebbled trim inconsistent with vintage Coach unlined glove-tanned construction",
                    "photo 1, photo 2, photo 5: smooth coated red leather with edge wear and handle cracking, no glove-tanned patina or suede-back interior seen",
                    "no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible in any photo"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone kisslock \/ frame clasp with oval ring seen in photo 1, photo 2, photo 3; no turnlock; no COACH stamping visible",
                    "leather_description": "smooth red leather with sheen and surface scratches; handle wear\/cracking in photo 2 and bottom edge rubbing in photo 5",
                    "lining_description": "photo 4 shows burgundy fabric lining with white pebbled trim; photo 6 shows red interior with zip pocket; inconsistent views, fabric lining not Coach classic unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight edge stitching visible in photo 4 and photo 5; no detailed stitch assessment possible",
                    "strap_construction": "double rolled top handles in matching red, attached directly to frame\/body; wear and surface cracking visible in photo 2",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: kisslock frame top-handle silhouette with non-Coach Roma brand stamp does not match any Coach catalog style in section 4",
                    "Era reasoning: construction, fabric lining and branded Roma stamp point to non-Coach vintage-style bag, not a Coach era",
                    "Condition: Good to Fair; handle surface cracking (photo 2), bottom edge wear (photo 5), minor surface marks (photo 1); interior not fully shown so lining\/odor unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.35
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18098,
            "output_tokens": 881,
            "total_tokens": 18979,
            "estimated_cost_usd": 0.009354
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18651,
            "output_tokens": 1432,
            "total_tokens": 20083,
            "estimated_cost_usd": 0.004876
        }
    ]
}