Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.035,
    "vintage_probability": 0.615,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.785,
    "seller_misidentification_probability": 0.295,
    "confidence": 0.81,
    "recommended_max_bid": 12,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 37.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a leather shoulder bag with a vintage-style silhouette.",
        "photo 2: Brass-tone rings and leather construction are compatible with some older handmade leather bags, but are not specifically Coach indicators.",
        "photo 1,2,4: leather shoulder handbag with unlined suede-back interior and brass-tone hardware - general population where vintage Coach hides",
        "photo 4: unlined suede interior consistent with age but not specific to Coach"
    ],
    "negative_evidence": [
        "photo 1: Front closure is a plain flap with no visible Coach turnlock, wordmark, horse-and-carriage, or hangtag.",
        "photo 3: Prominent decorative lacing, punched holes, and tooled leather styling are not characteristic of the cataloged classic Coach silhouettes.",
        "photo 4: Interior shows a suede-like or fuzzy lining\/open construction rather than a visible Coach creed patch.",
        "photo 5: Exterior pocket and decorative tooling appear generic\/handcrafted and do not match a clearly identifiable Coach model.",
        "photo 6: No Coach branding or identifier is visible anywhere in the provided views.",
        "photo 1,5,6: no turnlock closure - flap appears open with no Coach turnlock geometry",
        "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 1,2,3,5,6: exposed whipstitch \/ laced edge construction around entire body - never used on vintage Coach classics",
        "photo 3,5,6: all-over tooled scale \/ hippie-bohemian decoration on pocket and trim - inconsistent with Coach glove-tanned classic finishes",
        "photo 1,2,5: thin flat shoulder strap on simple brass-tone D-rings with no buckle adjustment, dogleash clips, or dowel handle"
    ],
    "missing_information": [
        "A straight-on interior-back-wall photo to confirm whether a creed patch or label exists.",
        "Close-ups of every interior pocket and seam for a hidden brand or fabric tag.",
        "Close-ups of the strap hardware, any closure, and the reverse of the flap.",
        "Bottom, side, and full interior views.",
        "photo 4: interior shown but no creed patch visible - request straight-on raking-light photo of interior back wall and slip pocket to confirm no creed",
        "photo 1-6: no COACH wordmark, hangtag, or turnlock shown - request close-ups of any stamps, tags, or hardware markings",
        "photo 4: lining \/ interior compartments only partially shown - request emptied interior views"
    ],
    "authenticity_concerns": [
        "The bag has no visible Coach identifiers and its decorative tooled\/leather-laced construction is more consistent with a generic bohemian or artisan leather bag than Coach.",
        "The seller's 1970s description is unverified by a dated label, creed, or other period-specific Coach evidence."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match because the bag lacks a turnlock, creed, wordmark, hangtag, and recognizable Coach construction.",
        "The approximately 9-inch width and flap\/pocket layout support identification as a small vintage-style shoulder bag, but silhouette alone cannot establish Coach manufacture.",
        "Condition: Good; substantial surface scratching and wear are visible on the leather, while interior condition, odor, strap integrity, and bottom wear remain incompletely documented.",
        "No Coach silhouette match: whip-laced, tooled hippie crossbody with exterior slip pocket does not match City Bag (9790), Dinky (9375), Pocket Purse (9755) or other catalog styles in proportions, closure, or construction",
        "Era reasoning: construction and styling consistent with 1970s handmade \/ hippie tooled bag as titled, but no Coach identifier to assign a Coach era; therefore unknown",
        "Condition: Good; photo 1 shows large discoloration \/ water marks, overall scratches, patina and darkened strap (photo 2), corners intact but worn; interior not fully shown so lining unknown"
    ],
    "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\/photo 2: Brass-tone rings and small rivet-like fasteners are visible; no Coach-engraved hardware or turnlock is visible.",
        "leather_description": "photo 1\/photo 3: Tan\/brown leather with extensive surface scratching, patina, decorative punched\/laced edging, and tooled scallop motifs.",
        "lining_description": "photo 4: Fuzzy tan interior material is visible; exact lining material and construction are not fully determinable.",
        "strap_construction": "photo 2\/photo 5: Adjustable-looking leather shoulder strap attached through brass-tone rings; buckle and full strap condition are not shown clearly.",
        "stitching_description": "photo 1\/photo 3: Visible dark edging cord and machine-like perimeter stitching appear generally regular; decorative lacing\/punched construction is prominent."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0112,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.04,
                "vintage_probability": 0.58,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.89,
                "seller_misidentification_probability": 0.55,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a leather shoulder bag with a vintage-style silhouette.",
                    "photo 2: Brass-tone rings and leather construction are compatible with some older handmade leather bags, but are not specifically Coach indicators."
                ],
                "negative_evidence": [
                    "photo 1: Front closure is a plain flap with no visible Coach turnlock, wordmark, horse-and-carriage, or hangtag.",
                    "photo 3: Prominent decorative lacing, punched holes, and tooled leather styling are not characteristic of the cataloged classic Coach silhouettes.",
                    "photo 4: Interior shows a suede-like or fuzzy lining\/open construction rather than a visible Coach creed patch.",
                    "photo 5: Exterior pocket and decorative tooling appear generic\/handcrafted and do not match a clearly identifiable Coach model.",
                    "photo 6: No Coach branding or identifier is visible anywhere in the provided views."
                ],
                "missing_information": [
                    "A straight-on interior-back-wall photo to confirm whether a creed patch or label exists.",
                    "Close-ups of every interior pocket and seam for a hidden brand or fabric tag.",
                    "Close-ups of the strap hardware, any closure, and the reverse of the flap.",
                    "Bottom, side, and full interior views."
                ],
                "authenticity_concerns": [
                    "The bag has no visible Coach identifiers and its decorative tooled\/leather-laced construction is more consistent with a generic bohemian or artisan leather bag than Coach.",
                    "The seller's 1970s description is unverified by a dated label, creed, or other period-specific Coach evidence."
                ],
                "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\/photo 2: Brass-tone rings and small rivet-like fasteners are visible; no Coach-engraved hardware or turnlock is visible.",
                    "leather_description": "photo 1\/photo 3: Tan\/brown leather with extensive surface scratching, patina, decorative punched\/laced edging, and tooled scallop motifs.",
                    "lining_description": "photo 4: Fuzzy tan interior material is visible; exact lining material and construction are not fully determinable.",
                    "strap_construction": "photo 2\/photo 5: Adjustable-looking leather shoulder strap attached through brass-tone rings; buckle and full strap condition are not shown clearly.",
                    "stitching_description": "photo 1\/photo 3: Visible dark edging cord and machine-like perimeter stitching appear generally regular; decorative lacing\/punched construction is prominent."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match because the bag lacks a turnlock, creed, wordmark, hangtag, and recognizable Coach construction.",
                    "The approximately 9-inch width and flap\/pocket layout support identification as a small vintage-style shoulder bag, but silhouette alone cannot establish Coach manufacture.",
                    "Condition: Good; substantial surface scratching and wear are visible on the leather, while interior condition, odor, strap integrity, and bottom wear remain incompletely documented."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 12,
                "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": 0.78,
                "estimated_era": "unknown",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.68,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo 4: interior shown but no creed patch visible - request straight-on raking-light photo of interior back wall and slip pocket to confirm no creed",
                    "photo 1-6: no COACH wordmark, hangtag, or turnlock shown - request close-ups of any stamps, tags, or hardware markings",
                    "photo 4: lining \/ interior compartments only partially shown - request emptied interior views"
                ],
                "negative_evidence": [
                    "photo 1,5,6: no turnlock closure - flap appears open with no Coach turnlock geometry",
                    "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 1,2,3,5,6: exposed whipstitch \/ laced edge construction around entire body - never used on vintage Coach classics",
                    "photo 3,5,6: all-over tooled scale \/ hippie-bohemian decoration on pocket and trim - inconsistent with Coach glove-tanned classic finishes",
                    "photo 1,2,5: thin flat shoulder strap on simple brass-tone D-rings with no buckle adjustment, dogleash clips, or dowel handle"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone D-rings and small rivets at strap anchors (photo 1,5); no turnlock, no buckle, no zipper pull visible",
                    "leather_description": "tan-brown distressed cowhide with heavy patina, scratches and water-type discoloration (photo 1); tooled scale pattern on front pocket and trim (photo 3,5,6)",
                    "lining_description": "unlined suede-back interior visible in photo 4, mustard-tan suede with no fabric lining shown",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "large light-color whipstitch \/ lacing around perimeter and pocket edges (photo 1,2,3,5,6), not Coach tight matched stitching",
                    "strap_construction": "wide flat leather shoulder strap, unadjustable in photos, attached via brass-tone rings (photo 1,2,5)",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1,2,4: leather shoulder handbag with unlined suede-back interior and brass-tone hardware - general population where vintage Coach hides",
                    "photo 4: unlined suede interior consistent with age but not specific to Coach"
                ],
                "possible_model_reasoning": [
                    "No Coach silhouette match: whip-laced, tooled hippie crossbody with exterior slip pocket does not match City Bag (9790), Dinky (9375), Pocket Purse (9755) or other catalog styles in proportions, closure, or construction",
                    "Era reasoning: construction and styling consistent with 1970s handmade \/ hippie tooled bag as titled, but no Coach identifier to assign a Coach era; therefore unknown",
                    "Condition: Good; photo 1 shows large discoloration \/ water marks, overall scratches, patina and darkened strap (photo 2), corners intact but worn; interior not fully shown so lining unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.04,
                "vintage_probability": 0.65
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17701,
            "output_tokens": 827,
            "total_tokens": 18528,
            "estimated_cost_usd": 0.009065
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18036,
            "output_tokens": 1513,
            "total_tokens": 19549,
            "estimated_cost_usd": 0.004818
        }
    ]
}