Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.265,
    "vintage_probability": 0.415,
    "authenticity_confidence": 0.235,
    "image_quality_score": 0.635,
    "seller_misidentification_probability": 0.265,
    "confidence": 0.56,
    "recommended_max_bid": 21,
    "estimated_resale_low": 25,
    "estimated_resale_high": 72.5,
    "possible_models": [
        "Patricia's Legacy (9951)",
        "Ergo Hobo (9226)"
    ],
    "positive_evidence": [
        "photo 1: leather shoulder handbag with a soft hobo\/satchel silhouette.",
        "photo 2: leather construction and a visible interior zip pocket are compatible with some Coach bags, but are not brand-specific.",
        "photo 6: interior appears suede-like and includes a functional-looking metal zipper.",
        "photo 6: unlined suede-back interior with interior zip pocket - correct layout for vintage unlined classics",
        "photo 1-3: soft dark brown glove-tanned-like leather with vintage patina and center-seam slouchy hobo construction",
        "photo 2: flap with no fastener silhouette recalls Patricia's Legacy type flap"
    ],
    "negative_evidence": [
        "photo 1: no visible Coach wordmark, horse-and-carriage, hangtag, or recognizable Coach hardware.",
        "photo 2: large front flap\/closure and soft sculptural construction do not clearly match a catalog Coach classic.",
        "photo 3: no Coach branding or creed is visible on the exterior.",
        "photo 6: interior is shown without a visible sewn Coach creed patch or fabric identification tag.",
        "photo 4: hardware appears minimal and the prominent top feature looks like a leather knot or decorative closure rather than a recognizable Coach turnlock.",
        "photo 1: the dark glossy leather and gathered, fashion-oriented construction provide weak support for a vintage Coach classic.",
        "photo 2: no turnlock visible on flap - atypical for most classic Coach flap bags",
        "photo 1-6: no COACH wordmark, no hangtag, no brass hardware visible",
        "photo 4: knotted strap detail at top not typical Coach construction",
        "photo 1-6: no creed patch visible in any photo"
    ],
    "missing_information": [
        "photo 6: straight-on close-up of every interior wall and pocket, especially any leather creed patch or fabric tag.",
        "photo 4: close-up of the top closure and all hardware, including the reverse side and any engravings.",
        "photo 3: clear bottom, side seams, and corner photographs.",
        "photo 6: close-up of the zipper pull and any maker stamp.",
        "seller-stated dimensions and a scale reference.",
        "photo 6 shows interior zip area but no creed patch visible - need straight-on creed patch in raking light",
        "no turnlock \/ closure detail shown - confirm if flap has any fastener",
        "no hangtag faces shown",
        "no hardware close-ups - zipper pull brand stamp",
        "no bottom \/ corners \/ side views",
        "no dimensions or scale"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible in the supplied photos; this is more consistent with an unbranded or other-brand leather bag than a Coach bag.",
        "The silhouette and decorative closure are not sufficient to establish Coach manufacture and may represent a lookalike or unrelated maker."
    ],
    "possible_model_reasoning": [
        "The bag is most plausibly a generic leather hobo or shoulder satchel; its soft body, integrated long strap, gathered side construction, and decorative top closure do not provide a reliable match to a listed Coach model.",
        "No readable creed, serial\/style number, hangtag, or wordmark is present to support a Coach model assignment.",
        "Condition: Good; substantial creasing and surface wear\/shine variation are visible in photos 1-3, while the interior and zipper appear intact in photo 6. Bottom corners, odor, and full strap condition are not fully assessable.",
        "Patricia's Legacy (9951): flap with no fastener, interior zip + slip, late 1990s - matches no-turnlock flap in photo 2 and unlined zip interior in photo 6",
        "Ergo Hobo (9226) \/ Legacy Shoulder type: soft slouchy shoulder hobo with center seam - matches overall shape in photo 1 and 3 but strap knot is unexplained",
        "Condition: Good to Very Good; leather supple with sheen in photo 2-3, no corner wear assessable without bottom photo, interior not fully emptied so lining unknown, strap fold not shown"
    ],
    "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 4: dark-toned\/minimal hardware is visible; the top feature appears to be a leather-wrapped decorative closure or knot, not a clearly identifiable Coach turnlock. Zipper hardware is visible in photo 6 but its maker mark is not legible.",
        "leather_description": "photos 1-3: dark brown or near-black smooth, glossy leather with substantial creasing, gathered panels, and visible wear\/shine variation.",
        "lining_description": "photo 6: brown suede-like interior lining is visible, with a zippered pocket; no brand label or creed is visible.",
        "strap_construction": "photos 1, 3, and 5: single long shoulder strap integrated into or sewn to the bag sides, with a wider reinforced section near the body; no adjustable buckle or detachable Coach-style clips are visible.",
        "stitching_description": "photos 2, 3, and 6: visible stitching is generally regular along seams and pocket edges, though image resolution and dark leather limit detailed assessment."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0243,
    "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": 0.07,
                "image_quality_score": 0.72,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: leather shoulder handbag with a soft hobo\/satchel silhouette.",
                    "photo 2: leather construction and a visible interior zip pocket are compatible with some Coach bags, but are not brand-specific.",
                    "photo 6: interior appears suede-like and includes a functional-looking metal zipper."
                ],
                "negative_evidence": [
                    "photo 1: no visible Coach wordmark, horse-and-carriage, hangtag, or recognizable Coach hardware.",
                    "photo 2: large front flap\/closure and soft sculptural construction do not clearly match a catalog Coach classic.",
                    "photo 3: no Coach branding or creed is visible on the exterior.",
                    "photo 6: interior is shown without a visible sewn Coach creed patch or fabric identification tag.",
                    "photo 4: hardware appears minimal and the prominent top feature looks like a leather knot or decorative closure rather than a recognizable Coach turnlock.",
                    "photo 1: the dark glossy leather and gathered, fashion-oriented construction provide weak support for a vintage Coach classic."
                ],
                "missing_information": [
                    "photo 6: straight-on close-up of every interior wall and pocket, especially any leather creed patch or fabric tag.",
                    "photo 4: close-up of the top closure and all hardware, including the reverse side and any engravings.",
                    "photo 3: clear bottom, side seams, and corner photographs.",
                    "photo 6: close-up of the zipper pull and any maker stamp.",
                    "seller-stated dimensions and a scale reference."
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible in the supplied photos; this is more consistent with an unbranded or other-brand leather bag than a Coach bag.",
                    "The silhouette and decorative closure are not sufficient to establish Coach manufacture and may represent a lookalike or unrelated maker."
                ],
                "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 4: dark-toned\/minimal hardware is visible; the top feature appears to be a leather-wrapped decorative closure or knot, not a clearly identifiable Coach turnlock. Zipper hardware is visible in photo 6 but its maker mark is not legible.",
                    "leather_description": "photos 1-3: dark brown or near-black smooth, glossy leather with substantial creasing, gathered panels, and visible wear\/shine variation.",
                    "lining_description": "photo 6: brown suede-like interior lining is visible, with a zippered pocket; no brand label or creed is visible.",
                    "strap_construction": "photos 1, 3, and 5: single long shoulder strap integrated into or sewn to the bag sides, with a wider reinforced section near the body; no adjustable buckle or detachable Coach-style clips are visible.",
                    "stitching_description": "photos 2, 3, and 6: visible stitching is generally regular along seams and pocket edges, though image resolution and dark leather limit detailed assessment."
                },
                "possible_model_reasoning": [
                    "The bag is most plausibly a generic leather hobo or shoulder satchel; its soft body, integrated long strap, gathered side construction, and decorative top closure do not provide a reliable match to a listed Coach model.",
                    "No readable creed, serial\/style number, hangtag, or wordmark is present to support a Coach model assignment.",
                    "Condition: Good; substantial creasing and surface wear\/shine variation are visible in photos 1-3, while the interior and zipper appear intact in photo 6. Bottom corners, odor, and full strap condition are not fully assessable."
                ],
                "confidence": 0.67,
                "recommended_max_bid": 12,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.4,
                "coach_probability": 0.45,
                "confidence": 0.45,
                "estimated_era": "unknown",
                "estimated_resale_high": 110,
                "estimated_resale_low": 40,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo 6 shows interior zip area but no creed patch visible - need straight-on creed patch in raking light",
                    "no turnlock \/ closure detail shown - confirm if flap has any fastener",
                    "no hangtag faces shown",
                    "no hardware close-ups - zipper pull brand stamp",
                    "no bottom \/ corners \/ side views",
                    "no dimensions or scale"
                ],
                "negative_evidence": [
                    "photo 2: no turnlock visible on flap - atypical for most classic Coach flap bags",
                    "photo 1-6: no COACH wordmark, no hangtag, no brass hardware visible",
                    "photo 4: knotted strap detail at top not typical Coach construction",
                    "photo 1-6: no creed patch visible in any photo"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "no brass turnlock, buckles or clips visible; only dark-tone interior zipper in photo 6, brand stamp not_visible",
                    "leather_description": "photo 1-3: dark brown smooth leather with soft sheen and slouchy patina, consistent with glove-tanned cowhide but also seen on generic vintage bags",
                    "lining_description": "photo 6: appears unlined with suede-back interior on flap underside and body, interior zip pocket visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 2-3: center seam double-stitching on flap\/body, edge stitching around flap perimeter, appears even but close-up not_visible",
                    "strap_construction": "photo 1,3,5: single wide fixed shoulder strap continuous with body, with leather knot detail at top in photo 4",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 6: unlined suede-back interior with interior zip pocket - correct layout for vintage unlined classics",
                    "photo 1-3: soft dark brown glove-tanned-like leather with vintage patina and center-seam slouchy hobo construction",
                    "photo 2: flap with no fastener silhouette recalls Patricia's Legacy type flap"
                ],
                "possible_model_reasoning": [
                    "Patricia's Legacy (9951): flap with no fastener, interior zip + slip, late 1990s - matches no-turnlock flap in photo 2 and unlined zip interior in photo 6",
                    "Ergo Hobo (9226) \/ Legacy Shoulder type: soft slouchy shoulder hobo with center seam - matches overall shape in photo 1 and 3 but strap knot is unexplained",
                    "Condition: Good to Very Good; leather supple with sheen in photo 2-3, no corner wear assessable without bottom photo, interior not fully emptied so lining unknown, strap fold not shown"
                ],
                "possible_models": [
                    "Patricia's Legacy (9951)",
                    "Ergo Hobo (9226)"
                ],
                "recommended_max_bid": 30,
                "seller_misidentification_probability": 0.45,
                "vintage_probability": 0.65
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28538,
            "output_tokens": 916,
            "total_tokens": 29454,
            "estimated_cost_usd": 0.013614
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 29902,
            "output_tokens": 1515,
            "total_tokens": 31417,
            "estimated_cost_usd": 0.007192
        }
    ]
}