Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.035,
    "vintage_probability": 0.04,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.815,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.855,
    "recommended_max_bid": 11,
    "estimated_resale_low": 6.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 2: clearly a shoulder handbag with a structured, zip-top body and long shoulder strap",
        "photo 2: brown leather-look trim and gold-tone hardware are visually compatible with many early-2000s handbags, but are not specific to Coach"
    ],
    "negative_evidence": [
        "photo 2: the all-over motif is a small floral\/clover-like monogram, not Coach's paired-C Signature canvas",
        "photo 2: the central oval clasp is a decorative loop-style closure rather than a recognizable vintage Coach turnlock or horse-and-carriage fitting",
        "photo 6: the interior is fully fabric-lined with multiple synthetic-looking compartments, unlike many classic vintage glove-tanned Coach styles",
        "photo 6: no Coach creed patch, wordmark, or clearly branded interior label is visible",
        "photo 4: the rear has no visible Coach identifier or hangtag",
        "photo 2: the piping, glossy brown trim, and decorative hardware suggest a generic Y2K monogram\/lookalike bag rather than a catalogued Coach construction",
        "photo 2: all-over brown monogram motif is quatrefoil-type repeat, not Coach Signature C pairs and not centered\/paired as Coach requires",
        "photo 5: lined interior with tan polyester fabric and wall zip pocket, not unlined glove-tanned suede-back of vintage Coach classics",
        "photo 2, photo 4: no COACH wordmark, horse-and-carriage, creed patch, or hangtag visible on exterior",
        "photo 2: front decorative buckle strap with rivets and contrast white stitching, not Coach turnlock geometry",
        "photo 3: shiny coated trim with creased faux-leather appearance and painted edges, inconsistent with 1970s-1990s glove-tanned leather"
    ],
    "missing_information": [
        "photo 6: a closer, straight-on inspection of all interior walls and pockets for a hidden label or fabric tag",
        "photo 3: close-ups of the clasp, zipper pulls, and strap attachment hardware",
        "photo 4: a clear bottom and side view showing all corners and any maker markings",
        "photo of any brand label \/ fabric tag in interior pocket seams (photo 5 shows lining but no close-up of tags)",
        "close-up of hardware engravings \/ zipper-pull brand stamp"
    ],
    "authenticity_concerns": [
        "photo 2: the monogram and oversized decorative clasp evoke designer branding but do not match documented Coach Signature or vintage Coach hardware cues",
        "photo 6: the lining and compartment construction are inconsistent with a classic vintage Coach glove-tanned bag"
    ],
    "possible_model_reasoning": [
        "The silhouette is a generic Y2K shoulder bag and does not closely match a documented Coach model; no Coach model is assigned.",
        "photo 2: the repeating motif is not paired-C Signature canvas, and the clasp does not resemble the classic Coach turnlock geometry.",
        "photo 6: fabric-lined multi-compartment construction supports a modern non-Coach classification rather than a 1970s-1990s classic.",
        "Condition: Good to Very Good visually; visible creasing and edge wear are present in photos 2-4, while the interior appears intact in photo 6. Bottom and strap-fold details are incomplete.",
        "hobo\/shoulder silhouette ~14in wide per tape in photo 4 is generic Y2K shape with no match to catalog Coach styles (City Bag 9790, Ergo, Soho) in closure, trim, and monogram",
        "no creed, serial, wordmark, hangtag, solid-brass turnlock, or glove-tanned leather observed to support any Coach model",
        "Condition: Good to Very Good; trim shows creasing and wear but no major tears visible (photo 2, photo 3), interior appears clean (photo 5), bottom not fully assessed"
    ],
    "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 2: gold-tone oval loop\/decorative clasp with small studs; photo 3: gold-tone strap rings and clips are visible; no readable brand engraving",
        "leather_description": "photo 2: brown glossy leather-look trim with tan monogrammed textile or coated material panels; material cannot be confirmed as leather from photos",
        "lining_description": "photo 6: tan synthetic-looking fabric lining with multiple zippered compartments and a central divider",
        "strap_construction": "photos 2-5: single long, narrow shoulder strap attached at both sides with small gold-tone rings\/clips; strap appears stitched and intact",
        "stitching_description": "photos 2-4: contrasting light stitching is visible around trim and panels; generally even, though construction is not characteristic evidence of Coach"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0006,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 2: clearly a shoulder handbag with a structured, zip-top body and long shoulder strap",
                    "photo 2: brown leather-look trim and gold-tone hardware are visually compatible with many early-2000s handbags, but are not specific to Coach"
                ],
                "negative_evidence": [
                    "photo 2: the all-over motif is a small floral\/clover-like monogram, not Coach's paired-C Signature canvas",
                    "photo 2: the central oval clasp is a decorative loop-style closure rather than a recognizable vintage Coach turnlock or horse-and-carriage fitting",
                    "photo 6: the interior is fully fabric-lined with multiple synthetic-looking compartments, unlike many classic vintage glove-tanned Coach styles",
                    "photo 6: no Coach creed patch, wordmark, or clearly branded interior label is visible",
                    "photo 4: the rear has no visible Coach identifier or hangtag",
                    "photo 2: the piping, glossy brown trim, and decorative hardware suggest a generic Y2K monogram\/lookalike bag rather than a catalogued Coach construction"
                ],
                "missing_information": [
                    "photo 6: a closer, straight-on inspection of all interior walls and pockets for a hidden label or fabric tag",
                    "photo 3: close-ups of the clasp, zipper pulls, and strap attachment hardware",
                    "photo 4: a clear bottom and side view showing all corners and any maker markings"
                ],
                "authenticity_concerns": [
                    "photo 2: the monogram and oversized decorative clasp evoke designer branding but do not match documented Coach Signature or vintage Coach hardware cues",
                    "photo 6: the lining and compartment construction are inconsistent with a classic vintage Coach glove-tanned bag"
                ],
                "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 2: gold-tone oval loop\/decorative clasp with small studs; photo 3: gold-tone strap rings and clips are visible; no readable brand engraving",
                    "leather_description": "photo 2: brown glossy leather-look trim with tan monogrammed textile or coated material panels; material cannot be confirmed as leather from photos",
                    "lining_description": "photo 6: tan synthetic-looking fabric lining with multiple zippered compartments and a central divider",
                    "strap_construction": "photos 2-5: single long, narrow shoulder strap attached at both sides with small gold-tone rings\/clips; strap appears stitched and intact",
                    "stitching_description": "photos 2-4: contrasting light stitching is visible around trim and panels; generally even, though construction is not characteristic evidence of Coach"
                },
                "possible_model_reasoning": [
                    "The silhouette is a generic Y2K shoulder bag and does not closely match a documented Coach model; no Coach model is assigned.",
                    "photo 2: the repeating motif is not paired-C Signature canvas, and the clasp does not resemble the classic Coach turnlock geometry.",
                    "photo 6: fabric-lined multi-compartment construction supports a modern non-Coach classification rather than a 1970s-1990s classic.",
                    "Condition: Good to Very Good visually; visible creasing and edge wear are present in photos 2-4, while the interior appears intact in photo 6. Bottom and strap-fold details are incomplete."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 12,
                "estimated_resale_low": 8,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of any brand label \/ fabric tag in interior pocket seams (photo 5 shows lining but no close-up of tags)",
                    "close-up of hardware engravings \/ zipper-pull brand stamp"
                ],
                "negative_evidence": [
                    "photo 2: all-over brown monogram motif is quatrefoil-type repeat, not Coach Signature C pairs and not centered\/paired as Coach requires",
                    "photo 5: lined interior with tan polyester fabric and wall zip pocket, not unlined glove-tanned suede-back of vintage Coach classics",
                    "photo 2, photo 4: no COACH wordmark, horse-and-carriage, creed patch, or hangtag visible on exterior",
                    "photo 2: front decorative buckle strap with rivets and contrast white stitching, not Coach turnlock geometry",
                    "photo 3: shiny coated trim with creased faux-leather appearance and painted edges, inconsistent with 1970s-1990s glove-tanned leather"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone D-rings and front decorative buckle\/strap with rivets; tone consistent but plated appearance, no COACH engraving visible",
                    "leather_description": "brown coated trim with sheen and creasing suggesting faux \/ bonded leather, plus tan jacquard monogram canvas body; not glove-tanned cowhide",
                    "lining_description": "tan\/brown polyester fabric lining with interior zip pocket, visible in photo 5",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "contrasting white\/cream topstitching around trim and strap, even but high-contrast, not tone-on-tone Coach classic stitching",
                    "strap_construction": "single fixed-length shoulder strap attached via brass-tone D-rings, no buckle adjustment or dogleash clips visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "hobo\/shoulder silhouette ~14in wide per tape in photo 4 is generic Y2K shape with no match to catalog Coach styles (City Bag 9790, Ergo, Soho) in closure, trim, and monogram",
                    "no creed, serial, wordmark, hangtag, solid-brass turnlock, or glove-tanned leather observed to support any Coach model",
                    "Condition: Good to Very Good; trim shows creasing and wear but no major tears visible (photo 2, photo 3), interior appears clean (photo 5), bottom not fully assessed"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 22291,
            "output_tokens": 921,
            "total_tokens": 23212,
            "estimated_cost_usd": 0.011127
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 23027,
            "output_tokens": 1216,
            "total_tokens": 24243,
            "estimated_cost_usd": 0.005578
        }
    ]
}