Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.315,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.805,
    "seller_misidentification_probability": 0.04,
    "confidence": 0.89,
    "recommended_max_bid": 11,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly visible small embossed wordmark appears to read NINE WEST, not COACH.",
        "photo 7: Interior shows a fabric-lined tote with a zipper pocket and magnetic closure, consistent with a modern mall-brand handbag rather than a classic vintage Coach construction.",
        "photo 1: The bag has a simple leather tote silhouette and long shoulder straps, but no visible Coach-specific identifier."
    ],
    "negative_evidence": [
        "photo 1: The visible wordmark is Nine West, which directly identifies the maker as a different brand.",
        "photo 2: No Coach creed patch, horse-and-carriage mark, or Coach wordmark is visible.",
        "photo 7: Synthetic-looking light fabric lining and modern magnetic closure are inconsistent with many classic 1970s\u20131990s unlined Coach glove-tanned bags.",
        "photo 1: No vintage Coach turnlock, hangtag, or characteristic brass hardware is visible.",
        "photo 4: Edge construction and smooth, coated-looking leather do not provide distinctive evidence for vintage Coach.",
        "photo 1: NINE WEST wordmark embossed on front center, not COACH wordmark",
        "photo 6: light fabric lining with zip pocket and small rectangular brand label, not unlined suede-back glove-tanned leather of vintage Coach classics",
        "photo 6: magnetic snap closure at top, no turnlock present",
        "photo 1, photo 2, photo 5: no creed patch, no leather hangtag, no solid brass hardware, no dogleash clips visible",
        "photo 1, photo 2, photo 5: thin flat tote silhouette with fixed long stitched-on straps, not matching Coach turnlock flap catalog styles"
    ],
    "missing_information": [
        "photo 7: Interior brand label is small and not fully legible; a straight-on close-up would confirm the maker.",
        "photo 7: No close-up of the interior label, zipper pull, or any care\/material tag.",
        "Seller-stated dimensions and country of manufacture are not provided.",
        "photo 6: close-up of interior brand label to confirm maker - appears to read Nine West but not legible",
        "photo 6: close-up of magnetic snap and zipper pull brand stamps",
        "photo 4: back panel mark mentioned by seller not clearly shown"
    ],
    "authenticity_concerns": [
        "photo 1: The visible Nine West branding is inconsistent with Coach manufacture; this appears to be a non-Coach lookalike only in the broad sense of being a leather tote.",
        "photo 7: Modern lining and closure construction do not match the expected construction of a classic vintage Coach bag."
    ],
    "possible_model_reasoning": [
        "The rectangular open-top tote silhouette is a generic Nine West-style tote and does not closely identify any Coach catalog model.",
        "The visible Nine West wordmark in photo 1 and the lined modern construction in photo 7 make a Coach model match very unlikely.",
        "Condition: Very Good; light surface wear and a small exterior mark are visible, while corners and structure appear intact. Interior and odor condition are only partially assessable.",
        "photo 1: embossed NINE WEST front mark plus seller statement 'Made by nine west in the 90s' identifies maker as Nine West, not Coach",
        "photo 6 interior fabric lining and magnetic closure inconsistent with 1970s-1990s Coach classics which are unlined glove-tanned with brass turnlock",
        "No Coach identifier visible in any photo: no creed, no COACH wordmark, no horse-and-carriage, no hangtag, no solid brass turnlock",
        "Condition: Very Good; leather intact with light creasing and sheen (photo 1, photo 2), bottom edge stitching intact (photo 2), strap edges intact (photo 3), interior lining appears clean (photo 6), seller notes small mark on back not clearly located"
    ],
    "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 7: Small dark magnetic closure visible at the top; no Coach-style turnlock or distinctive brass hardware visible.",
        "leather_description": "photos 1-5: Tan smooth leather or leather-like material with a relatively uniform finish; minor mark or discoloration visible on the back\/exterior. Exact material cannot be confirmed from photos.",
        "lining_description": "photo 7: Light-colored fabric lining with an interior zip pocket; lining appears synthetic.",
        "strap_construction": "photos 1-3: Long fixed shoulder straps with stitched rectangular attachment points and multiple rows of neat stitching.",
        "stitching_description": "photos 1-5: Straight, regular machine stitching around the edges and strap attachments; no distinctive Coach construction visible."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0134,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly visible small embossed wordmark appears to read NINE WEST, not COACH.",
                    "photo 7: Interior shows a fabric-lined tote with a zipper pocket and magnetic closure, consistent with a modern mall-brand handbag rather than a classic vintage Coach construction.",
                    "photo 1: The bag has a simple leather tote silhouette and long shoulder straps, but no visible Coach-specific identifier."
                ],
                "negative_evidence": [
                    "photo 1: The visible wordmark is Nine West, which directly identifies the maker as a different brand.",
                    "photo 2: No Coach creed patch, horse-and-carriage mark, or Coach wordmark is visible.",
                    "photo 7: Synthetic-looking light fabric lining and modern magnetic closure are inconsistent with many classic 1970s\u20131990s unlined Coach glove-tanned bags.",
                    "photo 1: No vintage Coach turnlock, hangtag, or characteristic brass hardware is visible.",
                    "photo 4: Edge construction and smooth, coated-looking leather do not provide distinctive evidence for vintage Coach."
                ],
                "missing_information": [
                    "photo 7: Interior brand label is small and not fully legible; a straight-on close-up would confirm the maker.",
                    "photo 7: No close-up of the interior label, zipper pull, or any care\/material tag.",
                    "Seller-stated dimensions and country of manufacture are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1: The visible Nine West branding is inconsistent with Coach manufacture; this appears to be a non-Coach lookalike only in the broad sense of being a leather tote.",
                    "photo 7: Modern lining and closure construction do not match the expected construction of a classic vintage Coach bag."
                ],
                "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 7: Small dark magnetic closure visible at the top; no Coach-style turnlock or distinctive brass hardware visible.",
                    "leather_description": "photos 1-5: Tan smooth leather or leather-like material with a relatively uniform finish; minor mark or discoloration visible on the back\/exterior. Exact material cannot be confirmed from photos.",
                    "lining_description": "photo 7: Light-colored fabric lining with an interior zip pocket; lining appears synthetic.",
                    "strap_construction": "photos 1-3: Long fixed shoulder straps with stitched rectangular attachment points and multiple rows of neat stitching.",
                    "stitching_description": "photos 1-5: Straight, regular machine stitching around the edges and strap attachments; no distinctive Coach construction visible."
                },
                "possible_model_reasoning": [
                    "The rectangular open-top tote silhouette is a generic Nine West-style tote and does not closely identify any Coach catalog model.",
                    "The visible Nine West wordmark in photo 1 and the lined modern construction in photo 7 make a Coach model match very unlikely.",
                    "Condition: Very Good; light surface wear and a small exterior mark are visible, while corners and structure appear intact. Interior and odor condition are only partially assessable."
                ],
                "confidence": 0.93,
                "recommended_max_bid": 10,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 6: close-up of interior brand label to confirm maker - appears to read Nine West but not legible",
                    "photo 6: close-up of magnetic snap and zipper pull brand stamps",
                    "photo 4: back panel mark mentioned by seller not clearly shown"
                ],
                "negative_evidence": [
                    "photo 1: NINE WEST wordmark embossed on front center, not COACH wordmark",
                    "photo 6: light fabric lining with zip pocket and small rectangular brand label, not unlined suede-back glove-tanned leather of vintage Coach classics",
                    "photo 6: magnetic snap closure at top, no turnlock present",
                    "photo 1, photo 2, photo 5: no creed patch, no leather hangtag, no solid brass hardware, no dogleash clips visible",
                    "photo 1, photo 2, photo 5: thin flat tote silhouette with fixed long stitched-on straps, not matching Coach turnlock flap catalog styles"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 6: dark-tone magnetic snap at top edge; light-color zipper pull; no brass turnlock, buckles, D-rings or rivets visible",
                    "leather_description": "photo 1, photo 2, photo 5: smooth tan \/ British-tan-like leather with soft sheen, some creasing and patina, not clearly glove-tanned full-grain",
                    "lining_description": "photo 6: light beige fabric lining with interior zip pocket, bubble wrap stuffing; not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 1, photo 3: tone-matched straight stitching on straps and top edge, straps stitched directly to bag body",
                    "strap_construction": "photo 1, photo 3, photo 5: two long fixed narrow shoulder straps, stitched to front and back body, no buckle adjustment, no detachable clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1: embossed NINE WEST front mark plus seller statement 'Made by nine west in the 90s' identifies maker as Nine West, not Coach",
                    "photo 6 interior fabric lining and magnetic closure inconsistent with 1970s-1990s Coach classics which are unlined glove-tanned with brass turnlock",
                    "No Coach identifier visible in any photo: no creed, no COACH wordmark, no horse-and-carriage, no hangtag, no solid brass turnlock",
                    "Condition: Very Good; leather intact with light creasing and sheen (photo 1, photo 2), bottom edge stitching intact (photo 2), strap edges intact (photo 3), interior lining appears clean (photo 6), seller notes small mark on back not clearly located"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.05,
                "vintage_probability": 0.6
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18123,
            "output_tokens": 867,
            "total_tokens": 18990,
            "estimated_cost_usd": 0.00933
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18675,
            "output_tokens": 1590,
            "total_tokens": 20265,
            "estimated_cost_usd": 0.005007
        }
    ]
}