Vintage Coach Hunter

{
    "is_handbag_probability": 0.91,
    "coach_probability": 0.08,
    "vintage_probability": 0.26,
    "authenticity_confidence": 0.085,
    "image_quality_score": 0.71,
    "seller_misidentification_probability": 0.08,
    "confidence": 0.725,
    "recommended_max_bid": 15,
    "estimated_resale_low": 17.5,
    "estimated_resale_high": 47.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Large leather-like travel\/satchel bag with top handles and a detachable shoulder strap.",
        "photo 4: Leather or leather-like interior and substantial construction are visible.",
        "photo 1,2,3: soft brown leather duffle with patina and slouch consistent with aged leather bag",
        "photo 3: bottom with protective metal feet, a feature also seen on Coach travel\/duffle types",
        "photo 4: stitched handle anchor plates"
    ],
    "negative_evidence": [
        "photo 1: No visible COACH wordmark, horse-and-carriage, creed patch, or recognizable Coach closure.",
        "photo 3: Bright silver-tone hardware and multiple feet are not typical evidence for a classic vintage Coach bag.",
        "photo 4: Interior shows no visible creed patch or Coach label.",
        "photo 5: Generic side construction and strap attachment do not clearly match a catalogued vintage Coach silhouette.",
        "Listing text: Seller describes the material only as 'leather-like' and does not identify Coach.",
        "photo 1,2,5: no COACH wordmark, horse-and-carriage, creed patch or hangtag visible",
        "photo 1,2,3,5: nickel\/silver-tone hardware throughout, not solid brass vintage Coach hardware",
        "photo 1,2,4,5: zip-top duffle\/carry-on silhouette with short rolled handles + detachable shoulder strap does not match classic Coach turnlock catalog silhouettes",
        "photo 3: base feet are conical silver-tone studs, not vintage Coach solid-brass feet",
        "photo 4,5: modern swivel snap-hook strap clips and adjustable buckle strap, not vintage brass dogleash\/lobster clips"
    ],
    "missing_information": [
        "Straight-on interior back-wall and pocket photographs to confirm whether any creed or brand label is present.",
        "Close-ups of every zipper pull, hardware stamp, and the small leather tabs.",
        "Clear photograph of the bottom and all corners.",
        "Material confirmation, since the seller says 'leather-like' rather than genuine leather.",
        "photo 1-2: interior wall \/ slip pocket where creed patch would sit not shown - need straight-on creed photo in raking light",
        "photo 4: zipper pull brand stamp not legible - need close-up of zipper slider\/pull",
        "photo 3,5: hardware engravings \/ Made-in stamp not shown - need close-ups",
        "photo 4: top-handle attachment plate area blurry - need clearer view for wordmark\/cartouche check",
        "seller-stated measurements referenced as last photos but no measurement photo provided"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible despite clear interior and exterior views.",
        "The bag's silver-tone hardware and generic travel-bag construction are inconsistent with the strongest vintage Coach indicators.",
        "This appears more likely to be a generic leather or leather-like travel bag than a Coach product."
    ],
    "possible_model_reasoning": [
        "No Coach model is assigned because no visible identifier or distinctive Coach catalog silhouette supports a match.",
        "photo 1: The large zip-top travel\/satchel form is compatible with many generic luggage and handbag makers.",
        "Condition: Good; visible creasing and surface wear, but no tears or major structural damage are apparent. Interior and bottom coverage are incomplete.",
        "No Coach identifier visible so no specific Coach model can be ranked; large zip-top duffle form is generic and widely copied. Condition: Good; overall wear, handle smudge noted by seller, softened shape and surface scuffing (photo 1-3), strap intact (photo 6), interior and bottom corners incompletely 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": false,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 1: Silver-tone swivel clips and strap hardware; photo 3: several bright metal feet; no readable branding visible.",
        "leather_description": "photo 1: Brown smooth leather-like material with substantial creasing and surface wear; genuine leather is not confirmed.",
        "lining_description": "photo 4: Brown leather-like or leather interior is visible, with a long zipper pocket; no brand label or creed visible.",
        "strap_construction": "photos 1, 2, 5, 6: Detachable adjustable shoulder strap with padded shoulder section, swivel clips, and stitched leather tabs.",
        "stitching_description": "photos 4-6: Visible double-row and edge stitching appears generally even; no Coach-specific construction marker is visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0066,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.97,
                "coach_probability": 0.08,
                "vintage_probability": 0.12,
                "authenticity_confidence": 0.07,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Large leather-like travel\/satchel bag with top handles and a detachable shoulder strap.",
                    "photo 4: Leather or leather-like interior and substantial construction are visible."
                ],
                "negative_evidence": [
                    "photo 1: No visible COACH wordmark, horse-and-carriage, creed patch, or recognizable Coach closure.",
                    "photo 3: Bright silver-tone hardware and multiple feet are not typical evidence for a classic vintage Coach bag.",
                    "photo 4: Interior shows no visible creed patch or Coach label.",
                    "photo 5: Generic side construction and strap attachment do not clearly match a catalogued vintage Coach silhouette.",
                    "Listing text: Seller describes the material only as 'leather-like' and does not identify Coach."
                ],
                "missing_information": [
                    "Straight-on interior back-wall and pocket photographs to confirm whether any creed or brand label is present.",
                    "Close-ups of every zipper pull, hardware stamp, and the small leather tabs.",
                    "Clear photograph of the bottom and all corners.",
                    "Material confirmation, since the seller says 'leather-like' rather than genuine leather."
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible despite clear interior and exterior views.",
                    "The bag's silver-tone hardware and generic travel-bag construction are inconsistent with the strongest vintage Coach indicators.",
                    "This appears more likely to be a generic leather or leather-like travel bag than a Coach product."
                ],
                "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: Silver-tone swivel clips and strap hardware; photo 3: several bright metal feet; no readable branding visible.",
                    "leather_description": "photo 1: Brown smooth leather-like material with substantial creasing and surface wear; genuine leather is not confirmed.",
                    "lining_description": "photo 4: Brown leather-like or leather interior is visible, with a long zipper pocket; no brand label or creed visible.",
                    "strap_construction": "photos 1, 2, 5, 6: Detachable adjustable shoulder strap with padded shoulder section, swivel clips, and stitched leather tabs.",
                    "stitching_description": "photos 4-6: Visible double-row and edge stitching appears generally even; no Coach-specific construction marker is visible."
                },
                "possible_model_reasoning": [
                    "No Coach model is assigned because no visible identifier or distinctive Coach catalog silhouette supports a match.",
                    "photo 1: The large zip-top travel\/satchel form is compatible with many generic luggage and handbag makers.",
                    "Condition: Good; visible creasing and surface wear, but no tears or major structural damage are apparent. Interior and bottom coverage are incomplete."
                ],
                "confidence": 0.83,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 50
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.1,
                "coach_probability": 0.08,
                "confidence": 0.62,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 45,
                "estimated_resale_low": 20,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.85,
                "missing_information": [
                    "photo 1-2: interior wall \/ slip pocket where creed patch would sit not shown - need straight-on creed photo in raking light",
                    "photo 4: zipper pull brand stamp not legible - need close-up of zipper slider\/pull",
                    "photo 3,5: hardware engravings \/ Made-in stamp not shown - need close-ups",
                    "photo 4: top-handle attachment plate area blurry - need clearer view for wordmark\/cartouche check",
                    "seller-stated measurements referenced as last photos but no measurement photo provided"
                ],
                "negative_evidence": [
                    "photo 1,2,5: no COACH wordmark, horse-and-carriage, creed patch or hangtag visible",
                    "photo 1,2,3,5: nickel\/silver-tone hardware throughout, not solid brass vintage Coach hardware",
                    "photo 1,2,4,5: zip-top duffle\/carry-on silhouette with short rolled handles + detachable shoulder strap does not match classic Coach turnlock catalog silhouettes",
                    "photo 3: base feet are conical silver-tone studs, not vintage Coach solid-brass feet",
                    "photo 4,5: modern swivel snap-hook strap clips and adjustable buckle strap, not vintage brass dogleash\/lobster clips"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver\/nickel-tone metal: zipper teeth and slider, D-rings, swivel snap-hook strap clips, strap buckle, conical base feet (photo 3). No COACH engraving legible. Tone inconsistent with 1970s-early 1990s solid-brass Coach hardware.",
                    "leather_description": "medium-brown soft leather with slouch, creasing and surface wear\/patina (photo 1,2,3). Grain smooth, not clearly glove-tanned; seller describes as leather-like.",
                    "lining_description": "not_visible - interior not emptied\/shown except glimpse of zip opening in photo 1,4",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-matched straight stitching visible on strap, handle mounts and trim (photo 4,5,6); no close-up to assess stress-point quality",
                    "strap_construction": "detachable adjustable shoulder strap on swivel snap hooks with sliding shoulder pad (photo 5,6) plus two short rolled top handles (photo 1,4)",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1,2,3: soft brown leather duffle with patina and slouch consistent with aged leather bag",
                    "photo 3: bottom with protective metal feet, a feature also seen on Coach travel\/duffle types",
                    "photo 4: stitched handle anchor plates"
                ],
                "possible_model_reasoning": [
                    "No Coach identifier visible so no specific Coach model can be ranked; large zip-top duffle form is generic and widely copied. Condition: Good; overall wear, handle smudge noted by seller, softened shape and surface scuffing (photo 1-3), strap intact (photo 6), interior and bottom corners incompletely shown so capped."
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.08,
                "vintage_probability": 0.4
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17758,
            "output_tokens": 758,
            "total_tokens": 18516,
            "estimated_cost_usd": 0.008922
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18092,
            "output_tokens": 1312,
            "total_tokens": 19404,
            "estimated_cost_usd": 0.004668
        }
    ]
}