Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.14,
    "vintage_probability": 0.265,
    "authenticity_confidence": 0.12,
    "image_quality_score": 0.76,
    "seller_misidentification_probability": 0.51,
    "confidence": 0.7,
    "recommended_max_bid": 12,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 35,
    "possible_models": [
        "Station (5130)"
    ],
    "positive_evidence": [
        "photo 1: leather handbag with a flap, top handle, crossbody attachment points, and a turning clasp.",
        "photo 2: brown leather-like exterior and compact satchel proportions are broadly compatible with many vintage handbag designs.",
        "photo 1,2: leather flap satchel with center turnlock tab, top handle and side strap rings - general silhouette reminiscent of vintage turnlock bags",
        "photo 2,3: size ~8 in wide x ~9 in tall per tape, in range of small vintage satchels",
        "photo 1-4: flap with extended tab closure similar in concept to Coach turnlock flap styles"
    ],
    "negative_evidence": [
        "photo 1: the central clasp is a circular, bright mixed-metal closure rather than the characteristic elegant solid-brass Coach turnlock geometry.",
        "photo 1: visible hardware is predominantly silver-tone, with a small gold-tone element; mixed metal is inconsistent with a typical vintage Coach classic.",
        "photo 4: construction shows a highly structured, heavily edged and layered body unlike the usual unlined glove-tanned Coach classic silhouettes.",
        "photo 5: exposed attachment hardware and rivets appear modern and generic; no Coach-specific branding is visible.",
        "photo 1: seller lists the bag as unbranded, and no photographed Coach identifier offsets that context.",
        "photo 1,2,3,6: silver\/nickel-tone turnlock and handle D-rings, not solid brass expected on 1970s-early 1990s classics",
        "photo 6: mixed metal tones - silver rings with brass-yellow rivets on same strap anchor",
        "photo 5: corner wear exposing whitish fiber core, suggesting coated split\/bonded leather not full-grain glove-tanned",
        "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 4: back exterior slip pocket construction and thin piping not matching catalog Station\/Court detailing",
        "photo 5,6: thin coated leather with sheen and edge wear unlike matte glove-tanned cowhide"
    ],
    "missing_information": [
        "photo 7: clear interior view, including the back wall, slip pocket, and any leather creed patch.",
        "photo 8: straight-on close-up of any interior creed or fabric tag, filling the frame.",
        "photo 9: close-ups of the clasp, hardware backs, zipper pulls, and any engravings.",
        "photo 10: full detachable crossbody strap, buckle holes, and clips.",
        "photo 11: bottom and all four corners, plus a clear view of the lining.",
        "interior views emptied including back wall and slip pocket where creed would sit",
        "creed patch straight-on in raking light and Made-in line",
        "turnlock back plate, zipper pull stamps, and hardware engravings",
        "hangtag both faces if present",
        "bottom and all four corners, shoulder strap full length"
    ],
    "authenticity_concerns": [
        "The visible mixed silver- and gold-tone hardware and generic circular clasp are inconsistent with a typical vintage Coach classic.",
        "No Coach wordmark, horse-and-carriage mark, hangtag, creed, or serial\/style number is visible in the supplied photos.",
        "The bag may be a generic leather or leather-like lookalike rather than a Coach product; the silhouette alone is not diagnostic.",
        "photo 1,2,6: mixed hardware tones - silver-tone turnlock and D-rings with brass-tone rivets, inconsistent with vintage Coach solid-brass throughout",
        "photo 1-6: no Coach identifier visible - no creed, wordmark, hangtag, or stamped hardware to support Coach manufacture"
    ],
    "possible_model_reasoning": [
        "No Coach model is assigned because the Coach probability is below 0.10 and no identifier or recognizable Coach-specific construction is visible.",
        "The compact flap-and-handle format is broadly similar to many generic satchels but does not establish a match to Willis, Court, Station, or another Coach catalog style.",
        "Condition: Good; visible edge wear, scuffing, and fraying near an attachment point (photos 5-6); interior and functional condition are unknown.",
        "Station (5130) considered for top-handle plus crossbody D-rings and ~9x9 size, but rejected: Station uses solid brass, base feet, and unlined glove-tanned leather, while this bag has silver-tone plus brass mixed hardware and thin coated leather; Condition: Good to Fair; photo 5 shows corner worn through to fiber, edge wear and scuffs, handle intact but shoulder strap missing"
    ],
    "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": "photo 1: circular turning clasp with bright silver-tone appearance and a small gold-tone component; silver-tone rings and attachment hardware are visible. Hardware is generic-looking and mixed in tone.",
        "leather_description": "photos 1-6: smooth dark brown leather or leather-like material with a relatively uniform finish; exact material cannot be confirmed from photos.",
        "lining_description": "not_visible",
        "strap_construction": "photos 4 and 6: top handle is attached with leather tabs and circular rings; a crossbody attachment ring is visible at the side, but the full strap is not shown.",
        "stitching_description": "photos 1-6: generally even perimeter stitching is visible, with layered folded or edge-finished construction; some wear and fraying are visible near an attachment point in photo 5."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0176,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.08,
                "vintage_probability": 0.18,
                "authenticity_confidence": 0.06,
                "image_quality_score": 0.84,
                "seller_misidentification_probability": 0.82,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: leather handbag with a flap, top handle, crossbody attachment points, and a turning clasp.",
                    "photo 2: brown leather-like exterior and compact satchel proportions are broadly compatible with many vintage handbag designs."
                ],
                "negative_evidence": [
                    "photo 1: the central clasp is a circular, bright mixed-metal closure rather than the characteristic elegant solid-brass Coach turnlock geometry.",
                    "photo 1: visible hardware is predominantly silver-tone, with a small gold-tone element; mixed metal is inconsistent with a typical vintage Coach classic.",
                    "photo 4: construction shows a highly structured, heavily edged and layered body unlike the usual unlined glove-tanned Coach classic silhouettes.",
                    "photo 5: exposed attachment hardware and rivets appear modern and generic; no Coach-specific branding is visible.",
                    "photo 1: seller lists the bag as unbranded, and no photographed Coach identifier offsets that context."
                ],
                "missing_information": [
                    "photo 7: clear interior view, including the back wall, slip pocket, and any leather creed patch.",
                    "photo 8: straight-on close-up of any interior creed or fabric tag, filling the frame.",
                    "photo 9: close-ups of the clasp, hardware backs, zipper pulls, and any engravings.",
                    "photo 10: full detachable crossbody strap, buckle holes, and clips.",
                    "photo 11: bottom and all four corners, plus a clear view of the lining."
                ],
                "authenticity_concerns": [
                    "The visible mixed silver- and gold-tone hardware and generic circular clasp are inconsistent with a typical vintage Coach classic.",
                    "No Coach wordmark, horse-and-carriage mark, hangtag, creed, or serial\/style number is visible in the supplied photos.",
                    "The bag may be a generic leather or leather-like lookalike rather than a Coach product; the silhouette alone is not diagnostic."
                ],
                "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": "photo 1: circular turning clasp with bright silver-tone appearance and a small gold-tone component; silver-tone rings and attachment hardware are visible. Hardware is generic-looking and mixed in tone.",
                    "leather_description": "photos 1-6: smooth dark brown leather or leather-like material with a relatively uniform finish; exact material cannot be confirmed from photos.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 4 and 6: top handle is attached with leather tabs and circular rings; a crossbody attachment ring is visible at the side, but the full strap is not shown.",
                    "stitching_description": "photos 1-6: generally even perimeter stitching is visible, with layered folded or edge-finished construction; some wear and fraying are visible near an attachment point in photo 5."
                },
                "possible_model_reasoning": [
                    "No Coach model is assigned because the Coach probability is below 0.10 and no identifier or recognizable Coach-specific construction is visible.",
                    "The compact flap-and-handle format is broadly similar to many generic satchels but does not establish a match to Willis, Court, Station, or another Coach catalog style.",
                    "Condition: Good; visible edge wear, scuffing, and fraying near an attachment point (photos 5-6); interior and functional condition are unknown."
                ],
                "confidence": 0.78,
                "recommended_max_bid": 12,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1,2,6: mixed hardware tones - silver-tone turnlock and D-rings with brass-tone rivets, inconsistent with vintage Coach solid-brass throughout",
                    "photo 1-6: no Coach identifier visible - no creed, wordmark, hangtag, or stamped hardware to support Coach manufacture"
                ],
                "authenticity_confidence": 0.18,
                "coach_probability": 0.2,
                "confidence": 0.62,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.68,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "interior views emptied including back wall and slip pocket where creed would sit",
                    "creed patch straight-on in raking light and Made-in line",
                    "turnlock back plate, zipper pull stamps, and hardware engravings",
                    "hangtag both faces if present",
                    "bottom and all four corners, shoulder strap full length"
                ],
                "negative_evidence": [
                    "photo 1,2,3,6: silver\/nickel-tone turnlock and handle D-rings, not solid brass expected on 1970s-early 1990s classics",
                    "photo 6: mixed metal tones - silver rings with brass-yellow rivets on same strap anchor",
                    "photo 5: corner wear exposing whitish fiber core, suggesting coated split\/bonded leather not full-grain glove-tanned",
                    "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 4: back exterior slip pocket construction and thin piping not matching catalog Station\/Court detailing",
                    "photo 5,6: thin coated leather with sheen and edge wear unlike matte glove-tanned cowhide"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "small oval turnlock in silver-tone with tarnish; silver-tone D-rings at top handle; brass-tone rivets at strap anchors - mixed tones; geometry not clearly Coach turnlock",
                    "leather_description": "dark brown smooth leather with semi-gloss coated appearance, thin, edge piping; corner abrasion exposing light fiber",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-matched straight stitching visible on flap and pocket edges; no close-up to assess stress points",
                    "strap_construction": "short wrapped top handle on metal D-rings; side D-rings for detachable shoulder strap which is missing\/not shown",
                    "turnlock_present": true
                },
                "positive_evidence": [
                    "photo 1,2: leather flap satchel with center turnlock tab, top handle and side strap rings - general silhouette reminiscent of vintage turnlock bags",
                    "photo 2,3: size ~8 in wide x ~9 in tall per tape, in range of small vintage satchels",
                    "photo 1-4: flap with extended tab closure similar in concept to Coach turnlock flap styles"
                ],
                "possible_model_reasoning": [
                    "Station (5130) considered for top-handle plus crossbody D-rings and ~9x9 size, but rejected: Station uses solid brass, base feet, and unlined glove-tanned leather, while this bag has silver-tone plus brass mixed hardware and thin coated leather; Condition: Good to Fair; photo 5 shows corner worn through to fiber, edge wear and scuffs, handle intact but shoulder strap missing"
                ],
                "possible_models": [
                    "Station (5130)"
                ],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.2,
                "vintage_probability": 0.35
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28782,
            "output_tokens": 881,
            "total_tokens": 29663,
            "estimated_cost_usd": 0.013627
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30094,
            "output_tokens": 1597,
            "total_tokens": 31691,
            "estimated_cost_usd": 0.007296
        }
    ]
}