Vintage Coach Hunter

{
    "is_handbag_probability": 0.955,
    "coach_probability": 0.025,
    "vintage_probability": 0.035,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.585,
    "seller_misidentification_probability": 0.06,
    "confidence": 0.77,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 20,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: close-up shows decorative embossed\/stitched initials or ornamentation rather than a legible COACH wordmark, horse-and-carriage, or recognizable Coach hardware.",
        "photo 3: exterior material appears thin, glossy and heavily surface-cracked, consistent with faux leather or coated material rather than vintage glove-tanned cowhide.",
        "photo 4: interior appears fabric- or synthetic-lined with multiple compartments; no Coach creed patch or fabric style tag is visible.",
        "photo 3: visible puncture\/tear and substantial surface damage indicate poor condition.",
        "listing description: seller explicitly describes the bag as smooth faux leather and lightweight, both counter-evidence for a classic vintage Coach bag.",
        "photo 1, photo 2: embossed initials 'L A D' on flap strap, no COACH wordmark or horse-and-carriage",
        "photo 1, photo 2, photo 3: smooth coated faux-leather with plastic sheen and surface cracking, not glove-tanned cowhide",
        "photo 3: simple snap stud closure, no brass turnlock geometry",
        "photo 4: tan synthetic fabric lining, not unlined suede",
        "seller states faux-leather finish and lightweight, counter to heavy glove-tanned classics"
    ],
    "missing_information": [
        "photo 1-4: full front, back, sides, bottom and strap views are missing.",
        "photo 4: interior back wall and all pockets are not shown straight-on; a Coach creed or fabric tag cannot be fully ruled out.",
        "photo 1-4: closure, zipper pulls, strap attachments and hardware details are not shown.",
        "photo 1-4: no readable brand, country-of-origin, or serial\/style-number detail is provided.",
        "photo 1-4: no full front\/back\/bottom\/side view for scale and shape",
        "photo 1-4: no strap, hardware, or hangtag detail shown",
        "photo 4: interior partially shown but no clear view of full lining and pockets"
    ],
    "authenticity_concerns": [
        "photo 1-4: no Coach identifier is visible, while the apparent faux-leather construction and synthetic lining are inconsistent with the classic vintage Coach population.",
        "photo 1: the embossed decorative motif is not a Coach wordmark or Coach carriage identifier and may represent a generic or lookalike design.",
        "photo 3-4: severe coating deterioration and a puncture\/tear suggest a low-cost modern material rather than a vintage Coach leather bag."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match because no Coach identifiers, catalog-specific closure, or complete silhouette are visible.",
        "Condition: Fair\/rehab; photo 3 shows a puncture\/tear and extensive surface cracking, while photo 4 shows substantial interior wear. The apparent faux-leather coating is generally not a suitable candidate for vintage Coach leather rehabilitation.",
        "No Coach identifier visible in any photo: no creed patch, no COACH wordmark, no hangtag, no brass turnlock",
        "Construction contradicts vintage Coach: faux-leather, lightweight claim, synthetic lining, snap closure vs unlined glove-tanned + solid brass turnlock",
        "Silhouette is generic flap crossbody with center embossed-initial strap, matches no catalog Coach style",
        "Condition: Good to Fair; photo 1 shows white scuff on flap, photo 3 shows wear around snap hole, material surface cracking"
    ],
    "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 3: small dark snap stud visible through flap; no brass turnlock, buckle, or dogleash clip visible",
        "leather_description": "Appears glossy, thin and heavily surface-cracked; seller states faux leather. Genuine leather construction cannot be established from these close-ups.",
        "lining_description": "photo 4: tan synthetic-looking lining with multiple compartments; portions appear worn and possibly separating.",
        "strap_construction": "not_visible",
        "stitching_description": "photo 1-4: visible perimeter stitching appears generally even, but close-ups do not show enough construction to support Coach attribution."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0005,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.96,
                "coach_probability": 0.03,
                "vintage_probability": 0.04,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.62,
                "seller_misidentification_probability": 0.1,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: close-up shows decorative embossed\/stitched initials or ornamentation rather than a legible COACH wordmark, horse-and-carriage, or recognizable Coach hardware.",
                    "photo 3: exterior material appears thin, glossy and heavily surface-cracked, consistent with faux leather or coated material rather than vintage glove-tanned cowhide.",
                    "photo 4: interior appears fabric- or synthetic-lined with multiple compartments; no Coach creed patch or fabric style tag is visible.",
                    "photo 3: visible puncture\/tear and substantial surface damage indicate poor condition.",
                    "listing description: seller explicitly describes the bag as smooth faux leather and lightweight, both counter-evidence for a classic vintage Coach bag."
                ],
                "missing_information": [
                    "photo 1-4: full front, back, sides, bottom and strap views are missing.",
                    "photo 4: interior back wall and all pockets are not shown straight-on; a Coach creed or fabric tag cannot be fully ruled out.",
                    "photo 1-4: closure, zipper pulls, strap attachments and hardware details are not shown.",
                    "photo 1-4: no readable brand, country-of-origin, or serial\/style-number detail is provided."
                ],
                "authenticity_concerns": [
                    "photo 1-4: no Coach identifier is visible, while the apparent faux-leather construction and synthetic lining are inconsistent with the classic vintage Coach population.",
                    "photo 1: the embossed decorative motif is not a Coach wordmark or Coach carriage identifier and may represent a generic or lookalike design.",
                    "photo 3-4: severe coating deterioration and a puncture\/tear suggest a low-cost modern material rather than a vintage Coach leather 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": "not_visible",
                    "leather_description": "Appears glossy, thin and heavily surface-cracked; seller states faux leather. Genuine leather construction cannot be established from these close-ups.",
                    "lining_description": "photo 4: tan synthetic-looking lining with multiple compartments; portions appear worn and possibly separating.",
                    "strap_construction": "not_visible",
                    "stitching_description": "photo 1-4: visible perimeter stitching appears generally even, but close-ups do not show enough construction to support Coach attribution."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match because no Coach identifiers, catalog-specific closure, or complete silhouette are visible.",
                    "Condition: Fair\/rehab; photo 3 shows a puncture\/tear and extensive surface cracking, while photo 4 shows substantial interior wear. The apparent faux-leather coating is generally not a suitable candidate for vintage Coach leather rehabilitation."
                ],
                "confidence": 0.74,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 20
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.8,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo 1-4: no full front\/back\/bottom\/side view for scale and shape",
                    "photo 1-4: no strap, hardware, or hangtag detail shown",
                    "photo 4: interior partially shown but no clear view of full lining and pockets"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: embossed initials 'L A D' on flap strap, no COACH wordmark or horse-and-carriage",
                    "photo 1, photo 2, photo 3: smooth coated faux-leather with plastic sheen and surface cracking, not glove-tanned cowhide",
                    "photo 3: simple snap stud closure, no brass turnlock geometry",
                    "photo 4: tan synthetic fabric lining, not unlined suede",
                    "seller states faux-leather finish and lightweight, counter to heavy glove-tanned classics"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 3: small dark snap stud visible through flap; no brass turnlock, buckle, or dogleash clip visible",
                    "leather_description": "photo 1-3: tan smooth coated material with plastic-like sheen, wrinkles and surface scuff\/crack; consistent with faux-leather as seller states, not matte glove-tanned full-grain",
                    "lining_description": "photo 4: tan synthetic smooth lining visible inside compartments",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 1-2: edge stitching tone-matched along flap and center strap, plain machine stitching",
                    "strap_construction": "not_visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any photo: no creed patch, no COACH wordmark, no hangtag, no brass turnlock",
                    "Construction contradicts vintage Coach: faux-leather, lightweight claim, synthetic lining, snap closure vs unlined glove-tanned + solid brass turnlock",
                    "Silhouette is generic flap crossbody with center embossed-initial strap, matches no catalog Coach style",
                    "Condition: Good to Fair; photo 1 shows white scuff on flap, photo 3 shows wear around snap hole, material surface cracking"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17106,
            "output_tokens": 754,
            "total_tokens": 17860,
            "estimated_cost_usd": 0.008652
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17568,
            "output_tokens": 1268,
            "total_tokens": 18836,
            "estimated_cost_usd": 0.004528
        }
    ]
}