Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.035,
    "vintage_probability": 0.165,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.685,
    "seller_misidentification_probability": 0.49,
    "confidence": 0.77,
    "recommended_max_bid": 10,
    "estimated_resale_low": 10,
    "estimated_resale_high": 32.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 2: brown leather-looking structured handbag with gold-tone hardware and four bottom feet, broadly within the type of vintage leather bag that can sometimes be misidentified as Coach",
        "photo 2: flap-and-top-handle construction is visible",
        "photo 2,3,4: structured brown leather-look flap satchel with gold-tone hardware, the population where misidentified Coach could hide",
        "seller title mentions Talon zipper and gold turn lock as lexical cues, but not verified in photos"
    ],
    "negative_evidence": [
        "photo 2: oversized concentric circular clasp is ornate and unlike the elegant, simple Coach vintage turnlock geometry",
        "photo 2: clasp appears bright and plated rather than the restrained solid-brass hardware typical of classic Coach",
        "photo 2: no COACH wordmark, horse-and-carriage, hangtag, creed patch, or other Coach identifier is visible on the exterior",
        "photo 3: highly distressed\/crackled surface finish and glossy appearance do not clearly resemble natural glove-tanned Coach leather",
        "photo 2: handle attachments and decorative hardware appear generic and do not match a clearly identifiable Coach catalog silhouette",
        "listing text says 'Talon Zipper,' but the zipper marking is not visible in the provided photos and cannot be treated as observed evidence",
        "photo 2: large ornate triple-hoop \/ concentric-ring twist clasp is not Coach turnlock geometry which is thin oval plate with slim rounded tab",
        "photo 2,3,4: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
        "photo 3,4,5,6: leather with cracked \/ coated vinyl-like surface sheen and piped edges, not matte glove-tanned cowhide with suede back",
        "photo 3: back flap secured with exposed dome rivets and tab-mounted fixed handles, not a Coach catalog construction",
        "photo 1: first image is a staged model \/ stock-style composite with marketing text overlay, not the actual listed bag detail"
    ],
    "missing_information": [
        "photo 7: clear interior photograph with the back wall, pockets, lining, and any sewn leather creed patch",
        "photo 8: straight-on close-up of any interior stamp, creed, country line, or serial\/style number",
        "photo 9: close-up of zipper pull showing whether it is actually stamped Talon",
        "photo 10: close-up of clasp, feet, stitching, and edge construction",
        "photo 11: full strap and handle attachment details",
        "interior views including lining and any creed patch or fabric label not shown (photos 2-6 show exterior only)",
        "creed close-up in raking light not shown",
        "hardware brand stamps \/ zipper pull brand not shown",
        "seller-stated Talon zipper not verified in photos"
    ],
    "authenticity_concerns": [
        "photo 2: the large ornate circular clasp is a lookalike\/replica-style cue rather than a recognizable vintage Coach turnlock",
        "photo 2: the visible hardware and generic structured silhouette are inconsistent with the classic Coach construction suggested by the seller's vintage wording",
        "photo 3: the extensive irregular surface finish may indicate embossed, coated, or otherwise non-glove-tanned leather; material cannot be confirmed from the photos"
    ],
    "possible_model_reasoning": [
        "No Coach model is assigned because the bag lacks a visible Coach identifier and its ornate clasp does not correspond to the classic Coach turnlock styles shown in the reference catalog.",
        "The seller-stated Talon zipper is unverified because no zipper pull or interior zipper is shown clearly.",
        "Condition: Good; substantial surface cracking\/distressed finish and visible discoloration or rubbing are present in photos 2, 3, and 6; interior condition is unknown.",
        "No Coach model matches: silhouette with center ornate ring-clasp, tab-mounted fixed handles, piped accordion sides and riveted back does not match Willis (9927), Court (9870), Station (5130), City Bag (9790) or other classics",
        "No serial decode possible; no creed visible",
        "Condition: Good; photos show finish wear \/ mottling on back (photo 3), surface cracking \/ sheen wear overall, but shape intact and hardware intact; interior not 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": true,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 2: bright gold-tone oversized concentric circular turning clasp, plus four gold-tone bottom feet; no Coach engraving is legible",
        "leather_description": "photo 2: brown leather-looking structured exterior with pronounced crackled\/distressed grain and glossy areas; exact material is not confirmed",
        "lining_description": "not_visible",
        "strap_construction": "photo 2: two fixed top handles with stitched rectangular tabs; full construction and reinforcement are not visible",
        "stitching_description": "photo 2: perimeter stitching is visible and generally even, but close-up quality is insufficient to assess stitch consistency at all stress points"
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0333,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.04,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.94,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 2: brown leather-looking structured handbag with gold-tone hardware and four bottom feet, broadly within the type of vintage leather bag that can sometimes be misidentified as Coach",
                    "photo 2: flap-and-top-handle construction is visible"
                ],
                "negative_evidence": [
                    "photo 2: oversized concentric circular clasp is ornate and unlike the elegant, simple Coach vintage turnlock geometry",
                    "photo 2: clasp appears bright and plated rather than the restrained solid-brass hardware typical of classic Coach",
                    "photo 2: no COACH wordmark, horse-and-carriage, hangtag, creed patch, or other Coach identifier is visible on the exterior",
                    "photo 3: highly distressed\/crackled surface finish and glossy appearance do not clearly resemble natural glove-tanned Coach leather",
                    "photo 2: handle attachments and decorative hardware appear generic and do not match a clearly identifiable Coach catalog silhouette",
                    "listing text says 'Talon Zipper,' but the zipper marking is not visible in the provided photos and cannot be treated as observed evidence"
                ],
                "missing_information": [
                    "photo 7: clear interior photograph with the back wall, pockets, lining, and any sewn leather creed patch",
                    "photo 8: straight-on close-up of any interior stamp, creed, country line, or serial\/style number",
                    "photo 9: close-up of zipper pull showing whether it is actually stamped Talon",
                    "photo 10: close-up of clasp, feet, stitching, and edge construction",
                    "photo 11: full strap and handle attachment details"
                ],
                "authenticity_concerns": [
                    "photo 2: the large ornate circular clasp is a lookalike\/replica-style cue rather than a recognizable vintage Coach turnlock",
                    "photo 2: the visible hardware and generic structured silhouette are inconsistent with the classic Coach construction suggested by the seller's vintage wording",
                    "photo 3: the extensive irregular surface finish may indicate embossed, coated, or otherwise non-glove-tanned leather; material cannot be confirmed from the photos"
                ],
                "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 2: bright gold-tone oversized concentric circular turning clasp, plus four gold-tone bottom feet; no Coach engraving is legible",
                    "leather_description": "photo 2: brown leather-looking structured exterior with pronounced crackled\/distressed grain and glossy areas; exact material is not confirmed",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 2: two fixed top handles with stitched rectangular tabs; full construction and reinforcement are not visible",
                    "stitching_description": "photo 2: perimeter stitching is visible and generally even, but close-up quality is insufficient to assess stitch consistency at all stress points"
                },
                "possible_model_reasoning": [
                    "No Coach model is assigned because the bag lacks a visible Coach identifier and its ornate clasp does not correspond to the classic Coach turnlock styles shown in the reference catalog.",
                    "The seller-stated Talon zipper is unverified because no zipper pull or interior zipper is shown clearly.",
                    "Condition: Good; substantial surface cracking\/distressed finish and visible discoloration or rubbing are present in photos 2, 3, and 6; interior condition is unknown."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 10,
                "estimated_resale_low": 10,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.7,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "interior views including lining and any creed patch or fabric label not shown (photos 2-6 show exterior only)",
                    "creed close-up in raking light not shown",
                    "hardware brand stamps \/ zipper pull brand not shown",
                    "seller-stated Talon zipper not verified in photos"
                ],
                "negative_evidence": [
                    "photo 2: large ornate triple-hoop \/ concentric-ring twist clasp is not Coach turnlock geometry which is thin oval plate with slim rounded tab",
                    "photo 2,3,4: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
                    "photo 3,4,5,6: leather with cracked \/ coated vinyl-like surface sheen and piped edges, not matte glove-tanned cowhide with suede back",
                    "photo 3: back flap secured with exposed dome rivets and tab-mounted fixed handles, not a Coach catalog construction",
                    "photo 1: first image is a staged model \/ stock-style composite with marketing text overlay, not the actual listed bag detail"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone ornate triple-hoop twist-lock front clasp (photo 2); gold-tone base feet (photo 4); brass-tone dome rivets on back flap (photo 3); bright plated tone, chunky decorative, inconsistent with vintage Coach solid-brass turnlock",
                    "leather_description": "dark brown structured material with cracked \/ grained coated surface and sheen (photos 2-6), piped side seams, mottled wear \/ finish loss on back (photo 3); does not read as full-grain glove-tanned cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible edge topstitching on handles and flap (photos 2-3), otherwise not close enough to assess tightness; no evidence of Coach-matched stitching",
                    "strap_construction": "two short fixed top handles tab-mounted to body (photos 2-3); no detachable crossbody strap, buckle adjustment, dogleash clips, or dowel handle seen",
                    "turnlock_present": true
                },
                "positive_evidence": [
                    "photo 2,3,4: structured brown leather-look flap satchel with gold-tone hardware, the population where misidentified Coach could hide",
                    "seller title mentions Talon zipper and gold turn lock as lexical cues, but not verified in photos"
                ],
                "possible_model_reasoning": [
                    "No Coach model matches: silhouette with center ornate ring-clasp, tab-mounted fixed handles, piped accordion sides and riveted back does not match Willis (9927), Court (9870), Station (5130), City Bag (9790) or other classics",
                    "No serial decode possible; no creed visible",
                    "Condition: Good; photos show finish wear \/ mottling on back (photo 3), surface cracking \/ sheen wear overall, but shape intact and hardware intact; interior not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.04,
                "vintage_probability": 0.25
            }
        }
    ],
    "_usage": [
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            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 31327,
            "output_tokens": 883,
            "total_tokens": 32210,
            "estimated_cost_usd": 0.01465
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 33574,
            "output_tokens": 1436,
            "total_tokens": 35010,
            "estimated_cost_usd": 0.007864
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}