Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.05,
    "vintage_probability": 0.385,
    "authenticity_confidence": 0.045,
    "image_quality_score": 0.72,
    "seller_misidentification_probability": 0.075,
    "confidence": 0.81,
    "recommended_max_bid": 15,
    "estimated_resale_low": 20,
    "estimated_resale_high": 52.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Structured leather top-handle handbag with a flap and front turning-style closure.",
        "photo 3: Four small protective feet are visible on the base.",
        "photo 4: Leather appears substantial and the bag has a classic satchel silhouette.",
        "photo 1-6: leather top-handle handbag with metal hardware",
        "photo 1: brass-tone lock on flap"
    ],
    "negative_evidence": [
        "photo 1: No legible COACH wordmark, horse-and-carriage, creed patch, or hangtag is visible.",
        "photo 1: The front closure is a small rectangular geometric mechanism, not the characteristic broad, elegant vintage Coach turnlock.",
        "photo 2: Hardware appears bright gold-tone and stylistically unlike typical solid-brass vintage Coach hardware.",
        "photo 5: Side hardware and strap attachment are generic and do not show recognizable Coach construction.",
        "photo 6: The bag has a highly pebbled, glossy leather finish that is not strongly consistent with classic glove-tanned Coach leather.",
        "photo 7: Seller title identifies it as French leather and does not provide any Coach-specific identifier.",
        "photo 1, photo 2: Kelly-type silhouette with horizontal sangle strap and small turn-plate does not match any Coach catalog style",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
        "photo 1, photo 2: lock geometry is small rectangular Kelly turn with separate sangles, not Coach wide oval turnlock with rounded tab and keeper",
        "photo 5: side gusset construction and thin rolled piping unlike vintage Coach glove-tanned construction",
        "photo 5: raw\/frayed flap edge and fabric-appearing edge under flap inconsistent with Coach finishing"
    ],
    "missing_information": [
        "photo 1-7: Straight-on interior photograph, including the back wall and all pockets, is missing.",
        "photo 1-7: Close-up of any interior leather or fabric labels is missing.",
        "photo 1-7: Close-ups of the closure, zipper pulls, and all hardware stamps are missing.",
        "photo 1-7: Full strap and handle attachment details are incomplete.",
        "photo 1-7: Seller-stated measurements and country-of-origin markings are not provided.",
        "interior views emptied showing lining and any makers marks or creed patch",
        "close-up of turnlock front and back plate and any hardware engraving",
        "close-up of handle attachments and bottom feet",
        "seller-stated dimensions and weight for scale"
    ],
    "authenticity_concerns": [
        "photo 1: The closure and overall hardware geometry are generic and inconsistent with recognizable vintage Coach turnlock designs.",
        "photo 1-7: No Coach identifier is visible; this is more consistent with an unbranded or other-brand leather satchel than a misidentified Coach classic.",
        "photo 6: The highly glossy pebbled finish and construction do not clearly align with the unlined glove-tanned classic Coach construction."
    ],
    "possible_model_reasoning": [
        "The structured top-handle satchel shape is not a close enough match to a catalogued Coach Willis, Court, or Station because the closure, handle attachment, and front-panel construction differ.",
        "No creed, serial, wordmark, or other Coach identifier is visible, so a Coach model cannot be assigned.",
        "Condition: Very Good based on generally intact leather, visible base feet, and no obvious tears; interior condition, odor, lining, and closure function are unknown.",
        "No Coach model fits: Kelly-style sangle + turn-plate, D-ring top handle, and gusset shape have no match in Classic glove-tanned catalog (City, Willis, Court, Station, Stewardess, Duffle, Dinky etc.)",
        "No hard identifiers for Coach observed in 6 exterior views; interior\/creed never shown so cannot decode era",
        "Condition: Very Good to Excellent exterior; leather supple with sheen, corners intact (photo 3, photo 4), bottom feet intact, flap edge shows wear\/fraying in photo 5; interior, odor, strap fold unknown so grade capped"
    ],
    "estimated_era": "modern (2000s+), non-Coach",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": false,
        "turnlock_present": true,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "Bright gold-tone rectangular front closure with a central turning element; small gold-tone strap rings and base feet are visible. No Coach engraving is visible.",
        "leather_description": "Brown, strongly pebbled leather with a noticeable glossy finish; appears substantial, but exact leather type is not determinable from photos.",
        "lining_description": "not_visible - interior never shown emptied; dark glimpse in photo 5 only",
        "strap_construction": "Short stitched leather top handle attached by small rings; no detachable shoulder strap is visible.",
        "stitching_description": "Visible perimeter and handle stitching appears generally even, though close-up stress-point inspection is unavailable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0021,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.08,
                "vintage_probability": 0.42,
                "authenticity_confidence": 0.06,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.12,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Structured leather top-handle handbag with a flap and front turning-style closure.",
                    "photo 3: Four small protective feet are visible on the base.",
                    "photo 4: Leather appears substantial and the bag has a classic satchel silhouette."
                ],
                "negative_evidence": [
                    "photo 1: No legible COACH wordmark, horse-and-carriage, creed patch, or hangtag is visible.",
                    "photo 1: The front closure is a small rectangular geometric mechanism, not the characteristic broad, elegant vintage Coach turnlock.",
                    "photo 2: Hardware appears bright gold-tone and stylistically unlike typical solid-brass vintage Coach hardware.",
                    "photo 5: Side hardware and strap attachment are generic and do not show recognizable Coach construction.",
                    "photo 6: The bag has a highly pebbled, glossy leather finish that is not strongly consistent with classic glove-tanned Coach leather.",
                    "photo 7: Seller title identifies it as French leather and does not provide any Coach-specific identifier."
                ],
                "missing_information": [
                    "photo 1-7: Straight-on interior photograph, including the back wall and all pockets, is missing.",
                    "photo 1-7: Close-up of any interior leather or fabric labels is missing.",
                    "photo 1-7: Close-ups of the closure, zipper pulls, and all hardware stamps are missing.",
                    "photo 1-7: Full strap and handle attachment details are incomplete.",
                    "photo 1-7: Seller-stated measurements and country-of-origin markings are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1: The closure and overall hardware geometry are generic and inconsistent with recognizable vintage Coach turnlock designs.",
                    "photo 1-7: No Coach identifier is visible; this is more consistent with an unbranded or other-brand leather satchel than a misidentified Coach classic.",
                    "photo 6: The highly glossy pebbled finish and construction do not clearly align with the unlined glove-tanned classic Coach construction."
                ],
                "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": true,
                    "hangtag_present": false,
                    "hardware_description": "Bright gold-tone rectangular front closure with a central turning element; small gold-tone strap rings and base feet are visible. No Coach engraving is visible.",
                    "leather_description": "Brown, strongly pebbled leather with a noticeable glossy finish; appears substantial, but exact leather type is not determinable from photos.",
                    "lining_description": "not_visible",
                    "strap_construction": "Short stitched leather top handle attached by small rings; no detachable shoulder strap is visible.",
                    "stitching_description": "Visible perimeter and handle stitching appears generally even, though close-up stress-point inspection is unavailable."
                },
                "possible_model_reasoning": [
                    "The structured top-handle satchel shape is not a close enough match to a catalogued Coach Willis, Court, or Station because the closure, handle attachment, and front-panel construction differ.",
                    "No creed, serial, wordmark, or other Coach identifier is visible, so a Coach model cannot be assigned.",
                    "Condition: Very Good based on generally intact leather, visible base feet, and no obvious tears; interior condition, odor, lining, and closure function are unknown."
                ],
                "confidence": 0.82,
                "recommended_max_bid": 15,
                "estimated_resale_low": 20,
                "estimated_resale_high": 60
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.8,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 45,
                "estimated_resale_low": 20,
                "image_quality_score": 0.62,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior views emptied showing lining and any makers marks or creed patch",
                    "close-up of turnlock front and back plate and any hardware engraving",
                    "close-up of handle attachments and bottom feet",
                    "seller-stated dimensions and weight for scale"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: Kelly-type silhouette with horizontal sangle strap and small turn-plate does not match any Coach catalog style",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
                    "photo 1, photo 2: lock geometry is small rectangular Kelly turn with separate sangles, not Coach wide oval turnlock with rounded tab and keeper",
                    "photo 5: side gusset construction and thin rolled piping unlike vintage Coach glove-tanned construction",
                    "photo 5: raw\/frayed flap edge and fabric-appearing edge under flap inconsistent with Coach finishing"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone turn-plate with knob on front flap (photo 1, photo 2), matching sangle end tips (photo 2), top-handle D-rings and square studs (photo 5), four bottom stud feet (photo 3, photo 4); tone bright plated, not solid aged brass",
                    "leather_description": "medium brown pebbled grain leather with sheen, visible pebble texture in photo 1, photo 3, photo 4",
                    "lining_description": "not_visible - interior never shown emptied; dark glimpse in photo 5 only",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-matched straight stitching on flap and sangles visible in photo 1; detail not close enough to assess fully",
                    "strap_construction": "single short top handle in same pebbled leather attached via metal D-rings to top edge (photo 1, photo 2, photo 5, photo 6)",
                    "turnlock_present": true
                },
                "positive_evidence": [
                    "photo 1-6: leather top-handle handbag with metal hardware",
                    "photo 1: brass-tone lock on flap"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: Kelly-style sangle + turn-plate, D-ring top handle, and gusset shape have no match in Classic glove-tanned catalog (City, Willis, Court, Station, Stewardess, Duffle, Dinky etc.)",
                    "No hard identifiers for Coach observed in 6 exterior views; interior\/creed never shown so cannot decode era",
                    "Condition: Very Good to Excellent exterior; leather supple with sheen, corners intact (photo 3, photo 4), bottom feet intact, flap edge shows wear\/fraying in photo 5; interior, odor, strap fold unknown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.35
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28783,
            "output_tokens": 936,
            "total_tokens": 29719,
            "estimated_cost_usd": 0.01376
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30095,
            "output_tokens": 1563,
            "total_tokens": 31658,
            "estimated_cost_usd": 0.007269
        }
    ]
}