Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.035,
    "vintage_probability": 0.275,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.79,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.81,
    "recommended_max_bid": 15,
    "estimated_resale_low": 17.5,
    "estimated_resale_high": 47.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: structured leather-look handbag with a classic brown color and brass-tone closures.",
        "photo 7: interior shows leather or suede-like compartments and zippered pockets.",
        "photo 2-6: leather handbag with brass-tone hardware and unlined leather interior, the population where vintage could hide",
        "photo 6: unlined suede-side interior with leather zip pocket and slip pockets, broadly similar construction to older leather bags",
        "photo 2-4: solid-looking brass-tone hardware with aged patina, not hollow chrome or plastic"
    ],
    "negative_evidence": [
        "photo 1: front has two ornate keyhole-style clasp assemblies, not the characteristic Coach turnlock geometry.",
        "photo 1: no visible Coach wordmark, horse-and-carriage, or hangtag.",
        "photo 2: visible hardware and construction are generic and do not show distinctive vintage Coach details.",
        "photo 7: interior is fabric\/leather-lined with multiple structured compartments, unlike many classic unlined glove-tanned Coach styles.",
        "photo 4: back is unbranded and lacks a creed patch or other Coach identifier.",
        "photo 1: glossy, heavily finished leather and black-edged construction are more consistent with an artisan or generic structured bag than vintage Coach.",
        "photo 2,4,6: no COACH wordmark, horse-and-carriage, creed patch or hangtag visible anywhere",
        "photos 1-2: closure is dual keyhole-plate locks with small knobs, not Coach turnlock geometry (wide thin oval plate with slim rounded tab)",
        "photos 1-2,4: double-strap flap satchel \/ doctor-bag silhouette with two front exterior pockets matches no Coach catalog style in \u00a74",
        "photo 6: interior zip + slip layout with no visible creed patch sewn to back wall or pocket",
        "photo 3,5: dark painted edge coat on gussets and handle, not typical raw-cut vintage Coach glove-tanned edges"
    ],
    "missing_information": [
        "A straight-on close-up of every interior wall and pocket for any concealed creed patch or fabric brand tag.",
        "Close-up photographs of the zipper pulls and clasp hardware for maker marks.",
        "Bottom, corner, and handle-attachment photos.",
        "Seller-stated dimensions and any country-of-origin markings.",
        "photo of interior back wall \/ slip pocket straight-on for creed patch check (photo 6 shows interior but no creed visible)",
        "close-up of hardware engravings \/ zipper pull brand stamp",
        "bottom and corner close-ups",
        "confirmation whether photo 1 is stock vs same bag as photos 2-6 (lighting\/color differs)"
    ],
    "authenticity_concerns": [
        "The bag has no visible Coach identifiers and its dual keyhole clasp design, lining, and edge treatment are inconsistent with a recognizable vintage Coach classic.",
        "The ornate clasp hardware and structured compartment layout suggest a generic or artisan lookalike rather than a Coach-made model."
    ],
    "possible_model_reasoning": [
        "No Coach model is a close match: the twin clasp arrangement and multi-compartment doctor's-bag silhouette do not correspond to the listed classic Coach silhouettes.",
        "photo 7: the lined, compartmentalized interior and ornate closures support a generic structured handbag classification.",
        "Condition: Very Good based on generally intact leather, hardware, seams, and shape in the photos; interior and handle attachment areas are visible, but odor and hidden defects cannot be assessed.",
        "No Coach model fits: dual keyhole locks, double front pockets, top-handle satchel shape are not in Coach classic catalog (City, Willis, Court, Station, Duffle, etc. all use single turnlock or other closures). No creed\/serial\/wordmark to decode. Condition: Very Good to Excellent based on even color, no corner wear shown, handle intact, interior clean (photos 2-6); capped because no bottom shot and no hardware close-ups."
    ],
    "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: two matching brass-tone keyhole-style clasp assemblies with circular lower plates and small round knobs; no Coach engraving is visible.",
        "leather_description": "photos 1-6: brown smooth, glossy leather or leather-like material with substantial edge finishing; exact material cannot be confirmed.",
        "lining_description": "photo 7: brown leather or suede-like lined interior with multiple compartments, a zippered divider, and additional zip and slip pockets.",
        "strap_construction": "photos 1-6: one fixed rounded top handle attached through leather tabs; no detachable shoulder strap is visible.",
        "stitching_description": "photos 1-7: generally even machine stitching with visible dark edge finishing; some interior edge treatment appears bulky and generic."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0081,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.04,
                "vintage_probability": 0.05,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: structured leather-look handbag with a classic brown color and brass-tone closures.",
                    "photo 7: interior shows leather or suede-like compartments and zippered pockets."
                ],
                "negative_evidence": [
                    "photo 1: front has two ornate keyhole-style clasp assemblies, not the characteristic Coach turnlock geometry.",
                    "photo 1: no visible Coach wordmark, horse-and-carriage, or hangtag.",
                    "photo 2: visible hardware and construction are generic and do not show distinctive vintage Coach details.",
                    "photo 7: interior is fabric\/leather-lined with multiple structured compartments, unlike many classic unlined glove-tanned Coach styles.",
                    "photo 4: back is unbranded and lacks a creed patch or other Coach identifier.",
                    "photo 1: glossy, heavily finished leather and black-edged construction are more consistent with an artisan or generic structured bag than vintage Coach."
                ],
                "missing_information": [
                    "A straight-on close-up of every interior wall and pocket for any concealed creed patch or fabric brand tag.",
                    "Close-up photographs of the zipper pulls and clasp hardware for maker marks.",
                    "Bottom, corner, and handle-attachment photos.",
                    "Seller-stated dimensions and any country-of-origin markings."
                ],
                "authenticity_concerns": [
                    "The bag has no visible Coach identifiers and its dual keyhole clasp design, lining, and edge treatment are inconsistent with a recognizable vintage Coach classic.",
                    "The ornate clasp hardware and structured compartment layout suggest a generic or artisan lookalike rather than a Coach-made model."
                ],
                "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: two matching brass-tone keyhole-style clasp assemblies with circular lower plates and small round knobs; no Coach engraving is visible.",
                    "leather_description": "photos 1-6: brown smooth, glossy leather or leather-like material with substantial edge finishing; exact material cannot be confirmed.",
                    "lining_description": "photo 7: brown leather or suede-like lined interior with multiple compartments, a zippered divider, and additional zip and slip pockets.",
                    "strap_construction": "photos 1-6: one fixed rounded top handle attached through leather tabs; no detachable shoulder strap is visible.",
                    "stitching_description": "photos 1-7: generally even machine stitching with visible dark edge finishing; some interior edge treatment appears bulky and generic."
                },
                "possible_model_reasoning": [
                    "No Coach model is a close match: the twin clasp arrangement and multi-compartment doctor's-bag silhouette do not correspond to the listed classic Coach silhouettes.",
                    "photo 7: the lined, compartmentalized interior and ornate closures support a generic structured handbag classification.",
                    "Condition: Very Good based on generally intact leather, hardware, seams, and shape in the photos; interior and handle attachment areas are visible, but odor and hidden defects cannot be assessed."
                ],
                "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": 0.03,
                "confidence": 0.78,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 50,
                "estimated_resale_low": 20,
                "image_quality_score": 0.72,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of interior back wall \/ slip pocket straight-on for creed patch check (photo 6 shows interior but no creed visible)",
                    "close-up of hardware engravings \/ zipper pull brand stamp",
                    "bottom and corner close-ups",
                    "confirmation whether photo 1 is stock vs same bag as photos 2-6 (lighting\/color differs)"
                ],
                "negative_evidence": [
                    "photo 2,4,6: no COACH wordmark, horse-and-carriage, creed patch or hangtag visible anywhere",
                    "photos 1-2: closure is dual keyhole-plate locks with small knobs, not Coach turnlock geometry (wide thin oval plate with slim rounded tab)",
                    "photos 1-2,4: double-strap flap satchel \/ doctor-bag silhouette with two front exterior pockets matches no Coach catalog style in \u00a74",
                    "photo 6: interior zip + slip layout with no visible creed patch sewn to back wall or pocket",
                    "photo 3,5: dark painted edge coat on gussets and handle, not typical raw-cut vintage Coach glove-tanned edges"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone dual front lock plates with keyholes and small round knobs; rectangular hasps under flap (photo 6); light-tone metal zippers interior; no COACH stamping visible",
                    "leather_description": "smooth medium-tan \/ British-tan-like leather with sheen and patina, appears thicker leather; not clearly glove-tanned grain; photos 2-4 show even tone with light wear",
                    "lining_description": "unlined leather \/ suede-back interior in tan-brown, no fabric lining visible (photos 3,5,6); no creed patch visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-matched straight stitching around flap edge, pockets and body perimeter visible (photos 2,4); no close-up to assess stress points",
                    "strap_construction": "short rigid top handle attached with leather tabs (photo 4); no shoulder strap or buckle adjustment visible",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 2-6: leather handbag with brass-tone hardware and unlined leather interior, the population where vintage could hide",
                    "photo 6: unlined suede-side interior with leather zip pocket and slip pockets, broadly similar construction to older leather bags",
                    "photo 2-4: solid-looking brass-tone hardware with aged patina, not hollow chrome or plastic"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: dual keyhole locks, double front pockets, top-handle satchel shape are not in Coach classic catalog (City, Willis, Court, Station, Duffle, etc. all use single turnlock or other closures). No creed\/serial\/wordmark to decode. Condition: Very Good to Excellent based on even color, no corner wear shown, handle intact, interior clean (photos 2-6); capped because no bottom shot and no hardware close-ups."
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.5
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28368,
            "output_tokens": 851,
            "total_tokens": 29219,
            "estimated_cost_usd": 0.01339
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 29663,
            "output_tokens": 1644,
            "total_tokens": 31307,
            "estimated_cost_usd": 0.007248
        }
    ]
}