Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.035,
    "vintage_probability": 0.56,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.755,
    "seller_misidentification_probability": 0.04,
    "confidence": 0.77,
    "recommended_max_bid": 11,
    "estimated_resale_low": 15,
    "estimated_resale_high": 42.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather shoulder bag with a flap closure and long strap.",
        "photo 1: brown leather body and decorative leather tassels are visible.",
        "photo 5: the interior appears to have a suede-like leather surface.",
        "photo 2: leather handbag with shoulder strap - object is a handbag",
        "photo 1-2: all-leather construction and aged patina consistent with old bag, so not excluded as synthetic fast-fashion"
    ],
    "negative_evidence": [
        "photo 1: no visible COACH wordmark, horse-and-carriage, leather hangtag, or recognizable Coach turnlock.",
        "photo 1: the flap uses a small rectangular closure rather than the characteristic vintage Coach turnlock.",
        "photo 1 and photo 6: decorative braided\/leather embellishments and green-stone-style details give it a generic boho construction rather than a documented Coach classic silhouette.",
        "photo 5: no Coach creed patch or readable brand identifier is visible.",
        "photo 2: the back is plain and unbranded.",
        "photo 3 and photo 4: visible strap attachment and tassel construction do not show distinctive Coach hardware.",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage visible",
        "photo 6: braided lacing, leather tassels and green stone studs are not Coach classic details",
        "photo 1: closure is small rectangular bar clasp, not Coach turnlock geometry",
        "photo 1-4: thin whip-stitched \/ laced edges and riveted fixed strap, not Coach buckle-adjustable or dogleash construction",
        "photo 5: no interior zip pocket \/ slip pocket \/ creed layout of Coach classics visible"
    ],
    "missing_information": [
        "A straight-on, fully illuminated photograph of every interior wall and pocket, especially any possible leather creed patch.",
        "Close-ups of all closure hardware, strap attachments, and any interior or exterior stamps.",
        "Full bottom and corner photographs to assess construction and condition.",
        "Seller-stated dimensions beyond the visible width measurement and any provenance supporting the claimed 1960s date.",
        "photo of any interior leather patch \/ brand stamp in raking light (photo 5 too dark to read)",
        "photo of hardware stamps \/ zipper brand if any",
        "photo of bottom and back interior wall emptied"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible in the supplied photos, so this should be treated as a generic leather bag rather than a likely Coach find.",
        "The visible decorative boho design and closure do not correspond clearly to the documented vintage Coach model catalog."
    ],
    "possible_model_reasoning": [
        "No Coach model is proposed because no Coach identifier or catalog-specific silhouette is visible.",
        "The seller's claimed 1960s date cannot be verified from the photos; the bag may be vintage, but the decorative construction is also compatible with a generic boho leather shoulder bag.",
        "Condition: Good; visible scratches, finish variation, edge wear, and darkened\/worn leather are present in photos 1, 2, 3, and 6; strap stress points and the complete interior are not fully shown.",
        "No Coach identifiers visible in any photo, silhouette with braided lacing, tassels and stone studs does not match any catalog style in 4.1-4.2; Cashin-era bags have kisslock\/scissor frames, carriage clasps and striped linings, none seen here",
        "Era cannot be dated to Coach era table without creed\/serial\/hardware match; seller states 1960s but not verified in photos",
        "Condition: Good; photo 2,6 show surface scuffs, patina and edge wear, strap intact without visible cracking, interior and bottom not adequately 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 and photo 5: small rectangular flap closure and small round\/metal strap hardware are visible; no Coach-style turnlock or branded hardware is apparent.",
        "leather_description": "photo 1, photo 2, and photo 5: brown leather with substantial surface variation, glossy\/worn areas, scratches, and visible age-related dryness or finish wear.",
        "lining_description": "photo 5: dark interior opening with a suede-like or dark leather surface; full lining and pockets are not visible.",
        "strap_construction": "photo 2 and photo 3: narrow adjustable-looking leather shoulder strap attached at the sides; photo 3 and photo 4 show leather strap\/tassel details.",
        "stitching_description": "photo 1 and photo 2: visible perimeter stitching is generally even, though close-up stitch quality at all stress points is not shown."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0025,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.04,
                "vintage_probability": 0.52,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.05,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a leather shoulder bag with a flap closure and long strap.",
                    "photo 1: brown leather body and decorative leather tassels are visible.",
                    "photo 5: the interior appears to have a suede-like leather surface."
                ],
                "negative_evidence": [
                    "photo 1: no visible COACH wordmark, horse-and-carriage, leather hangtag, or recognizable Coach turnlock.",
                    "photo 1: the flap uses a small rectangular closure rather than the characteristic vintage Coach turnlock.",
                    "photo 1 and photo 6: decorative braided\/leather embellishments and green-stone-style details give it a generic boho construction rather than a documented Coach classic silhouette.",
                    "photo 5: no Coach creed patch or readable brand identifier is visible.",
                    "photo 2: the back is plain and unbranded.",
                    "photo 3 and photo 4: visible strap attachment and tassel construction do not show distinctive Coach hardware."
                ],
                "missing_information": [
                    "A straight-on, fully illuminated photograph of every interior wall and pocket, especially any possible leather creed patch.",
                    "Close-ups of all closure hardware, strap attachments, and any interior or exterior stamps.",
                    "Full bottom and corner photographs to assess construction and condition.",
                    "Seller-stated dimensions beyond the visible width measurement and any provenance supporting the claimed 1960s date."
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible in the supplied photos, so this should be treated as a generic leather bag rather than a likely Coach find.",
                    "The visible decorative boho design and closure do not correspond clearly to the documented vintage Coach model 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 and photo 5: small rectangular flap closure and small round\/metal strap hardware are visible; no Coach-style turnlock or branded hardware is apparent.",
                    "leather_description": "photo 1, photo 2, and photo 5: brown leather with substantial surface variation, glossy\/worn areas, scratches, and visible age-related dryness or finish wear.",
                    "lining_description": "photo 5: dark interior opening with a suede-like or dark leather surface; full lining and pockets are not visible.",
                    "strap_construction": "photo 2 and photo 3: narrow adjustable-looking leather shoulder strap attached at the sides; photo 3 and photo 4 show leather strap\/tassel details.",
                    "stitching_description": "photo 1 and photo 2: visible perimeter stitching is generally even, though close-up stitch quality at all stress points is not shown."
                },
                "possible_model_reasoning": [
                    "No Coach model is proposed because no Coach identifier or catalog-specific silhouette is visible.",
                    "The seller's claimed 1960s date cannot be verified from the photos; the bag may be vintage, but the decorative construction is also compatible with a generic boho leather shoulder bag.",
                    "Condition: Good; visible scratches, finish variation, edge wear, and darkened\/worn leather are present in photos 1, 2, 3, and 6; strap stress points and the complete interior are not fully shown."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 10,
                "estimated_resale_low": 15,
                "estimated_resale_high": 50
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.7,
                "estimated_era": "unknown",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo of any interior leather patch \/ brand stamp in raking light (photo 5 too dark to read)",
                    "photo of hardware stamps \/ zipper brand if any",
                    "photo of bottom and back interior wall emptied"
                ],
                "negative_evidence": [
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage visible",
                    "photo 6: braided lacing, leather tassels and green stone studs are not Coach classic details",
                    "photo 1: closure is small rectangular bar clasp, not Coach turnlock geometry",
                    "photo 1-4: thin whip-stitched \/ laced edges and riveted fixed strap, not Coach buckle-adjustable or dogleash construction",
                    "photo 5: no interior zip pocket \/ slip pocket \/ creed layout of Coach classics visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 1: small silver-tone rectangular bar clasp keeper; photo 3-4: copper-tone rivet at strap anchor; photo 6: three green stone-tone studs on front flap; no solid brass turnlock, no dogleash clips, no bead chain",
                    "leather_description": "photo 2,6: brown glazed smooth leather with patina, scuffs and wear; braided leather lacing around flap edge and vertical laced details",
                    "lining_description": "not_visible - photo 5 interior too dark to assess; appears dark unlined leather but no detail legible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 1-2: light contrast perimeter edge stitching, plus hand-laced braiding; no tight tone-matched Coach machine stitching visible",
                    "strap_construction": "photo 2-4: thin flat brown leather shoulder strap, fixed with rivet to side gusset, no buckle adjustment or detachable clips shown",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 2: leather handbag with shoulder strap - object is a handbag",
                    "photo 1-2: all-leather construction and aged patina consistent with old bag, so not excluded as synthetic fast-fashion"
                ],
                "possible_model_reasoning": [
                    "No Coach identifiers visible in any photo, silhouette with braided lacing, tassels and stone studs does not match any catalog style in 4.1-4.2; Cashin-era bags have kisslock\/scissor frames, carriage clasps and striped linings, none seen here",
                    "Era cannot be dated to Coach era table without creed\/serial\/hardware match; seller states 1960s but not verified in photos",
                    "Condition: Good; photo 2,6 show surface scuffs, patina and edge wear, strap intact without visible cracking, interior and bottom not adequately shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.6
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18097,
            "output_tokens": 871,
            "total_tokens": 18968,
            "estimated_cost_usd": 0.009329
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18651,
            "output_tokens": 1648,
            "total_tokens": 20299,
            "estimated_cost_usd": 0.005049
        }
    ]
}