Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.48,
    "vintage_probability": 0.59,
    "authenticity_confidence": 0.395,
    "image_quality_score": 0.795,
    "seller_misidentification_probability": 0.48,
    "confidence": 0.665,
    "recommended_max_bid": 30,
    "estimated_resale_low": 40,
    "estimated_resale_high": 92.5,
    "possible_models": [
        "Lunch Tote (4068)",
        "Lunchbox (9991)"
    ],
    "positive_evidence": [
        "photo 1: Clearly a structured leather handbag with a top handle, detachable adjustable crossbody strap, multiple zip compartments, and a front slip pocket.",
        "photo 2: The red leather, brass-tone rings and clips, rounded rectangular proportions, and tidy tonal stitching are broadly compatible with some Coach leather bags.",
        "photo 4: Leather construction and solid-looking metal zipper teeth are visible; there is no obvious synthetic fabric or monogram print.",
        "photo 1-2: small red boxy zip-top lunchbox silhouette with front exterior slip pocket and top handle matches Coach Lunchbox",
        "photo 1-4: solid brass-tone dogleash clips, rings, buckle and zip hardware consistent with 1980s-1990s Coach classics",
        "photo 2-6: smooth red glove-tanned-look cowhide with soft patina, wrapped\/piped edges, tone-matched stitching",
        "photo 4: zip with leather pull tab and O-ring, brass teeth with red tape typical of vintage Coach zip models",
        "photo 2: long buckle-adjustable detachable crossbody strap in matching red leather"
    ],
    "negative_evidence": [
        "photo 1: No legible COACH wordmark, horse-and-carriage, hangtag, or other external brand identifier is visible.",
        "photo 2: The bag has a fully zippered, multi-compartment lunchbox\/satchel construction rather than a clearly recognizable classic Coach turnlock silhouette.",
        "photo 3: The visible zipper pulls and hardware do not show a Coach stamp.",
        "photo 5: The construction and hardware could readily belong to an unbranded leather satchel; silhouette alone is not strong Coach evidence.",
        "Listing title: The seller calls it vintage and leather but does not provide a Coach claim or identifying style information.",
        "photo 1-6: no COACH wordmark, horse-and-carriage, or creed patch legibly visible",
        "photo 1-6: no leather hangtag visible",
        "photo 1-6: interior \/ lining never shown so unlined glove-tanned interior and creed cannot be verified",
        "photo 2-4: no turnlock to assess geometry"
    ],
    "missing_information": [
        "A straight-on photograph of the entire interior, including the back wall and every pocket.",
        "A close-up of any interior leather creed patch, fabric tag, or stamped label.",
        "Close-ups of both zipper pulls, all hardware, and the strap clips.",
        "A clear photograph of the bottom and all four corners.",
        "Seller-stated dimensions and photographs of any attached or detached hangtag.",
        "creed patch straight-on in raking light and interior back wall \/ slip pocket views - interior never shown",
        "any fabric tag or Made-in line and serial number",
        "hangtag both faces and chain if present",
        "zipper pull brand stamp close-up",
        "emptied interior and bottom corners close-up"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible, so Coach manufacture cannot be distinguished reliably from an unbranded or lookalike leather bag.",
        "The fully lined, multi-zipper construction is not enough to establish a vintage Coach model; any claimed vintage date remains unverified."
    ],
    "possible_model_reasoning": [
        "The proportions and combination of top handle, detachable crossbody strap, front slip pocket, and zip compartments loosely resemble a Coach Lunch Tote (4068), but that candidate is based only on silhouette and is not supported by a visible creed or style number.",
        "A classic Coach Lunch Tote identification would require an interior creed or other brand evidence; the interior is not shown.",
        "Condition: Good to Very Good; visible creasing, edge wear, and surface marks are present, while the strap appears intact. Interior condition, odor, and zipper function are unknown.",
        "Lunchbox (9991) fits best: zip-top boxy satchel, front slip pocket, short top handle on rings, detachable long strap on dogleash clips, size on mannequin suggests medium lunchbox scale",
        "Era reasoning: solid brass + smooth glove-tanned red leather + dogleash construction suggests 1980s-1990s US \/ Costa Rica glove-tanned era; no creed\/interior shown so 1985-1993 (US creed) is construction-based estimate only",
        "Condition: Very Good to Excellent; leather uniform with light surface wear and light edge darkening (photo 5-6), hardware tarnished not green (photo 4), strap holes not elongated (photo 2), interior and bottom corners not fully 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 2: Brass-tone rings, clips, buckle and zipper teeth are visible; no brand engraving is legible. Hardware appears generally matched in tone.",
        "leather_description": "photo 1: Red smooth leather with some natural wrinkling and surface wear; exact tanning and leather type are not determinable from these photos.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Adjustable red leather shoulder\/crossbody strap with a buckle and detachable metal clips; a short top handle is also present.",
        "stitching_description": "photos 2 and 4: Mostly tonal, machine-stitched seams appear reasonably even, with some visible unevenness and wear at edges."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0146,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.34,
                "vintage_probability": 0.43,
                "authenticity_confidence": 0.29,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.34,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [
                    "Lunch Tote (4068)"
                ],
                "positive_evidence": [
                    "photo 1: Clearly a structured leather handbag with a top handle, detachable adjustable crossbody strap, multiple zip compartments, and a front slip pocket.",
                    "photo 2: The red leather, brass-tone rings and clips, rounded rectangular proportions, and tidy tonal stitching are broadly compatible with some Coach leather bags.",
                    "photo 4: Leather construction and solid-looking metal zipper teeth are visible; there is no obvious synthetic fabric or monogram print."
                ],
                "negative_evidence": [
                    "photo 1: No legible COACH wordmark, horse-and-carriage, hangtag, or other external brand identifier is visible.",
                    "photo 2: The bag has a fully zippered, multi-compartment lunchbox\/satchel construction rather than a clearly recognizable classic Coach turnlock silhouette.",
                    "photo 3: The visible zipper pulls and hardware do not show a Coach stamp.",
                    "photo 5: The construction and hardware could readily belong to an unbranded leather satchel; silhouette alone is not strong Coach evidence.",
                    "Listing title: The seller calls it vintage and leather but does not provide a Coach claim or identifying style information."
                ],
                "missing_information": [
                    "A straight-on photograph of the entire interior, including the back wall and every pocket.",
                    "A close-up of any interior leather creed patch, fabric tag, or stamped label.",
                    "Close-ups of both zipper pulls, all hardware, and the strap clips.",
                    "A clear photograph of the bottom and all four corners.",
                    "Seller-stated dimensions and photographs of any attached or detached hangtag."
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible, so Coach manufacture cannot be distinguished reliably from an unbranded or lookalike leather bag.",
                    "The fully lined, multi-zipper construction is not enough to establish a vintage Coach model; any claimed vintage date remains unverified."
                ],
                "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: Brass-tone rings, clips, buckle and zipper teeth are visible; no brand engraving is legible. Hardware appears generally matched in tone.",
                    "leather_description": "photo 1: Red smooth leather with some natural wrinkling and surface wear; exact tanning and leather type are not determinable from these photos.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Adjustable red leather shoulder\/crossbody strap with a buckle and detachable metal clips; a short top handle is also present.",
                    "stitching_description": "photos 2 and 4: Mostly tonal, machine-stitched seams appear reasonably even, with some visible unevenness and wear at edges."
                },
                "possible_model_reasoning": [
                    "The proportions and combination of top handle, detachable crossbody strap, front slip pocket, and zip compartments loosely resemble a Coach Lunch Tote (4068), but that candidate is based only on silhouette and is not supported by a visible creed or style number.",
                    "A classic Coach Lunch Tote identification would require an interior creed or other brand evidence; the interior is not shown.",
                    "Condition: Good to Very Good; visible creasing, edge wear, and surface marks are present, while the strap appears intact. Interior condition, odor, and zipper function are unknown."
                ],
                "confidence": 0.78,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.5,
                "coach_probability": 0.62,
                "confidence": 0.55,
                "estimated_era": "1985-1993 (US creed)",
                "estimated_resale_high": 140,
                "estimated_resale_low": 70,
                "image_quality_score": 0.68,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "creed patch straight-on in raking light and interior back wall \/ slip pocket views - interior never shown",
                    "any fabric tag or Made-in line and serial number",
                    "hangtag both faces and chain if present",
                    "zipper pull brand stamp close-up",
                    "emptied interior and bottom corners close-up"
                ],
                "negative_evidence": [
                    "photo 1-6: no COACH wordmark, horse-and-carriage, or creed patch legibly visible",
                    "photo 1-6: no leather hangtag visible",
                    "photo 1-6: interior \/ lining never shown so unlined glove-tanned interior and creed cannot be verified",
                    "photo 2-4: no turnlock to assess geometry"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone solid-look hardware throughout: top-handle rings, dogleash \/ lobster detachable strap clips, zip teeth and ring-pull with leather tab, strap buckle; consistent tone, aged dull patina, no COACH engraving visible",
                    "leather_description": "red smooth full-grain leather with matte-to-satin glove-tanned look, soft patina and light sheen, piping \/ wrapped edges consistent with vintage glove-tanned Coach",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even straight tone-matched stitching visible on front slip pocket and piping (photo 2), bottom seams (photo 6)",
                    "strap_construction": "short rolled top handle on metal rings plus long detachable adjustable crossbody strap on brass dogleash clips with buckle adjustment (photo 1-4)",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-2: small red boxy zip-top lunchbox silhouette with front exterior slip pocket and top handle matches Coach Lunchbox",
                    "photo 1-4: solid brass-tone dogleash clips, rings, buckle and zip hardware consistent with 1980s-1990s Coach classics",
                    "photo 2-6: smooth red glove-tanned-look cowhide with soft patina, wrapped\/piped edges, tone-matched stitching",
                    "photo 4: zip with leather pull tab and O-ring, brass teeth with red tape typical of vintage Coach zip models",
                    "photo 2: long buckle-adjustable detachable crossbody strap in matching red leather"
                ],
                "possible_model_reasoning": [
                    "Lunchbox (9991) fits best: zip-top boxy satchel, front slip pocket, short top handle on rings, detachable long strap on dogleash clips, size on mannequin suggests medium lunchbox scale",
                    "Era reasoning: solid brass + smooth glove-tanned red leather + dogleash construction suggests 1980s-1990s US \/ Costa Rica glove-tanned era; no creed\/interior shown so 1985-1993 (US creed) is construction-based estimate only",
                    "Condition: Very Good to Excellent; leather uniform with light surface wear and light edge darkening (photo 5-6), hardware tarnished not green (photo 4), strap holes not elongated (photo 2), interior and bottom corners not fully shown so capped"
                ],
                "possible_models": [
                    "Lunchbox (9991)"
                ],
                "recommended_max_bid": 45,
                "seller_misidentification_probability": 0.62,
                "vintage_probability": 0.75
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 32345,
            "output_tokens": 980,
            "total_tokens": 33325,
            "estimated_cost_usd": 0.01529
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 34484,
            "output_tokens": 2078,
            "total_tokens": 36562,
            "estimated_cost_usd": 0.008559
        }
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}