Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.03,
    "vintage_probability": 0.71,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.69,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.77,
    "recommended_max_bid": 12.5,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 37.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a structured leather shoulder handbag with a clasp\/frame closure.",
        "photo 2: Gold-tone frame hardware and compact vintage-style silhouette are visually consistent with an older handbag.",
        "photo 3: Leather-like exterior and visible surface wear support a pre-owned leather bag, though not specifically Coach.",
        "photo 1-2: leather handbag, the population where vintage could hide",
        "photo 1-6: black leather shoulder bag consistent with claimed 1960s vintage age"
    ],
    "negative_evidence": [
        "photo 1: No visible Coach wordmark, horse-and-carriage emblem, leather hangtag, or recognizable Coach turnlock.",
        "photo 2: The closure is a framed clasp rather than a Coach-style turnlock.",
        "photo 3: No creed patch or serial\/style number is visible on the exterior.",
        "photo 4: Construction and narrow frame hardware appear generic and are compatible with the seller-stated Etna attribution.",
        "photo 6: The strap shows a glossy, textured finish unlike the typical matte glove-tanned leather associated with classic vintage Coach.",
        "photo 1-2: no Coach turnlock; closure is a top frame \/ clasp-button frame, not Coach turnlock geometry",
        "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 2,4,5: gold-tone thin frame and slide hardware, not vintage Coach solid brass turnlock \/ dogleash hardware",
        "photo 1-3: smooth finished black leather with structured frame-bag silhouette, not unlined glove-tanned Coach classic construction",
        "seller text explicitly brands bag as 'Etna', not unbranded\/unknown"
    ],
    "missing_information": [
        "Interior photos, including any brand label, creed patch, or fabric tag.",
        "Close-up of the clasp, frame hardware, and any interior markings.",
        "Bottom, corners, and full strap photos for condition assessment.",
        "Seller-stated dimensions and confirmation of material composition.",
        "interior \/ lining and any interior brand label or creed not shown (photos 1-6 show exterior only)",
        "bottom and corners not shown",
        "close-up of closure hardware brand marks not shown",
        "hangtag \/ wordmark close-up not shown"
    ],
    "authenticity_concerns": [
        "No Coach identifiers are visible in the supplied photos; this is better treated as an Etna or other generic vintage leather bag than as Coach.",
        "The silhouette and clasp closure do not closely match the classic Coach models in the reference catalog."
    ],
    "possible_model_reasoning": [
        "No Coach model is proposed because no Coach identifier or distinctive Coach construction is visible.",
        "The structured framed shoulder-bag shape is consistent with a generic mid-century or vintage Etna-style handbag rather than a documented Coach turnlock model.",
        "Condition: Good, based on visible minor exterior marks, creasing\/wrinkles in the strap, and generally intact shape; interior and bottom condition are unknown.",
        "No Coach model fits: no turnlock, no creed, frame clasp-button closure and scalloped flap trim (photo 1) do not match any Classic glove-tanned catalog style (City 9790, Willis 9927, Court 9870, Station 5130, Dinky 9375); seller identification as Etna is consistent with photos. Condition: Good to Very Good; minor exterior marks (photo 3), strap wrinkles (photo 6), interior\/bottom 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 1: Narrow gold-tone metal frame\/clasp hardware; no Coach engraving is visible. photo 4: Small gold-tone strap attachments and a round side fastener are visible.",
        "leather_description": "photo 1: Smooth black leather-like exterior with a glossy finish. photo 3: Minor surface marks and wrinkles are visible.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Single adjustable-looking shoulder strap attached at both sides. photo 6: Strap has wrinkled, textured leather and visible wear.",
        "stitching_description": "photo 2: Perimeter stitching appears generally even and close to the edges; interior stitching is not visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0052,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.82,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.83,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a structured leather shoulder handbag with a clasp\/frame closure.",
                    "photo 2: Gold-tone frame hardware and compact vintage-style silhouette are visually consistent with an older handbag.",
                    "photo 3: Leather-like exterior and visible surface wear support a pre-owned leather bag, though not specifically Coach."
                ],
                "negative_evidence": [
                    "photo 1: No visible Coach wordmark, horse-and-carriage emblem, leather hangtag, or recognizable Coach turnlock.",
                    "photo 2: The closure is a framed clasp rather than a Coach-style turnlock.",
                    "photo 3: No creed patch or serial\/style number is visible on the exterior.",
                    "photo 4: Construction and narrow frame hardware appear generic and are compatible with the seller-stated Etna attribution.",
                    "photo 6: The strap shows a glossy, textured finish unlike the typical matte glove-tanned leather associated with classic vintage Coach."
                ],
                "missing_information": [
                    "Interior photos, including any brand label, creed patch, or fabric tag.",
                    "Close-up of the clasp, frame hardware, and any interior markings.",
                    "Bottom, corners, and full strap photos for condition assessment.",
                    "Seller-stated dimensions and confirmation of material composition."
                ],
                "authenticity_concerns": [
                    "No Coach identifiers are visible in the supplied photos; this is better treated as an Etna or other generic vintage leather bag than as Coach.",
                    "The silhouette and clasp closure do not closely match the classic Coach models in the reference catalog."
                ],
                "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: Narrow gold-tone metal frame\/clasp hardware; no Coach engraving is visible. photo 4: Small gold-tone strap attachments and a round side fastener are visible.",
                    "leather_description": "photo 1: Smooth black leather-like exterior with a glossy finish. photo 3: Minor surface marks and wrinkles are visible.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Single adjustable-looking shoulder strap attached at both sides. photo 6: Strap has wrinkled, textured leather and visible wear.",
                    "stitching_description": "photo 2: Perimeter stitching appears generally even and close to the edges; interior stitching is not visible."
                },
                "possible_model_reasoning": [
                    "No Coach model is proposed because no Coach identifier or distinctive Coach construction is visible.",
                    "The structured framed shoulder-bag shape is consistent with a generic mid-century or vintage Etna-style handbag rather than a documented Coach turnlock model.",
                    "Condition: Good, based on visible minor exterior marks, creasing\/wrinkles in the strap, and generally intact shape; interior and bottom condition are unknown."
                ],
                "confidence": 0.84,
                "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": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.7,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior \/ lining and any interior brand label or creed not shown (photos 1-6 show exterior only)",
                    "bottom and corners not shown",
                    "close-up of closure hardware brand marks not shown",
                    "hangtag \/ wordmark close-up not shown"
                ],
                "negative_evidence": [
                    "photo 1-2: no Coach turnlock; closure is a top frame \/ clasp-button frame, not Coach turnlock geometry",
                    "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 2,4,5: gold-tone thin frame and slide hardware, not vintage Coach solid brass turnlock \/ dogleash hardware",
                    "photo 1-3: smooth finished black leather with structured frame-bag silhouette, not unlined glove-tanned Coach classic construction",
                    "seller text explicitly brands bag as 'Etna', not unbranded\/unknown"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone top frame \/ clasp-button closure frame (photo 2) and small rectangular strap slides and stud (photo 4-5); thin plated tone, not solid brass turnlock",
                    "leather_description": "smooth black finished leather with slight sheen, structured; surface marks and strap wrinkling visible (photo 3, photo 6)",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "edge stitching visible on strap (photo 6); body stitching not clearly legible, appears straight edge-finished",
                    "strap_construction": "single fixed-length black shoulder strap attached at sides with metal slides\/studs (photo 4-5); wrinkled\/creased (photo 6)",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-2: leather handbag, the population where vintage could hide",
                    "photo 1-6: black leather shoulder bag consistent with claimed 1960s vintage age"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: no turnlock, no creed, frame clasp-button closure and scalloped flap trim (photo 1) do not match any Classic glove-tanned catalog style (City 9790, Willis 9927, Court 9870, Station 5130, Dinky 9375); seller identification as Etna is consistent with photos. Condition: Good to Very Good; minor exterior marks (photo 3), strap wrinkles (photo 6), interior\/bottom not shown so capped."
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.6
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17783,
            "output_tokens": 796,
            "total_tokens": 18579,
            "estimated_cost_usd": 0.009024
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18122,
            "output_tokens": 1428,
            "total_tokens": 19550,
            "estimated_cost_usd": 0.004767
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}