Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.1,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.74,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.84,
    "recommended_max_bid": 12.5,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 37.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Listing clearly shows a lot of five handbag-shaped items.",
        "photo 2: The woven straw-style tote has a decorative button closure and dark handles, but no visible Coach branding.",
        "photo 6: The black structured bag has a metal frame closure, but no visible Coach wordmark, creed, hangtag, or characteristic Coach hardware."
    ],
    "negative_evidence": [
        "photo 1: The lot consists of visibly mixed materials and styles, including woven textile, sequined fabric, satin-like fabric, and glossy embossed-look material rather than a consistent Coach leather construction.",
        "photo 3: The brown patterned shoulder bag has decorative synthetic-looking surfaces and a generic strap\/hardware arrangement, with no Coach identifier visible.",
        "photo 4: The white sequined shoulder bag has a generic design and bright silver-tone hardware; no Coach branding is visible.",
        "photo 5: The burgundy bag appears to be fabric or nylon with silver-tone rings and snap hardware, unlike classic vintage Coach glove-tanned leather construction.",
        "photo 6: The black framed bag has a generic metal-frame silhouette and lacks a visible creed patch, serial\/style number, Coach wordmark, or hangtag.",
        "photo 1: No Coach identifier is visible anywhere in the group photo.",
        "photo 2: woven straw \/ wicker tote with fabric liner - excluded material per skill, never vintage Coach glove-tanned",
        "photo 3: patchwork faux-reptile \/ coated synthetic flap bag with shiny finish and silver-tone buckle - not glove-tanned cowhide",
        "photo 4: white metal-mesh \/ chainmail hobo with thin flat strap - beads\/metal mesh construction, not Coach",
        "photo 5: red satin \/ nylon soft hobo with silver-tone O-rings and snap tabs - nylon\/synthetic, not leather",
        "photo 6: black frame-top handbag with gold-tone kisslock\/frame bar and looped handles - no turnlock, no creed, no brass Coach hardware geometry",
        "photos 1-6: no COACH wordmark, no horse-and-carriage, no creed patch, no leather hangtag, no solid-brass turnlock visible on any bag"
    ],
    "missing_information": [
        "Individual interior photos of all five bags, especially the back wall and interior pockets where a creed or label might appear.",
        "Close-up photographs of every interior label, fabric tag, zipper pull, and hardware marking.",
        "Bottom, side, strap-attachment, and corner photos for each bag.",
        "Seller-stated material, dimensions, and any visible brand markings not shown in the supplied photos.",
        "photo 1: lot view only, no interior, creed patch, or hardware close-ups for any of the 5 bags",
        "photo 2-6: no interior views, so lining and creed presence cannot be verified inside",
        "photo 2-6: no bottom, side, or scale views; no legible brand stamps or Made-in lines",
        "photo 3-6: no turnlock, hangtag, or zipper-pull stamp close-ups"
    ],
    "authenticity_concerns": [
        "photo 1: The mixed-material lot has no visible Coach identifiers and does not present the consistent leather, brass hardware, and catalog silhouettes expected of vintage Coach.",
        "photo 4: The all-over sequin construction and bright silver-tone hardware are inconsistent with a classic vintage Coach leather handbag.",
        "photo 5: The fabric\/nylon construction and silver-tone ring hardware are inconsistent with classic vintage Coach glove-tanned leather construction."
    ],
    "possible_model_reasoning": [
        "photo 1: None of the five visible silhouettes can be matched reliably to a Coach catalog model; the group appears to be a mixed-brand or generic handbag lot.",
        "photo 2: The woven tote is not a classic Coach leather model and has no visible Coach identifier.",
        "photo 6: The black framed handbag may be a vintage-style evening or formal bag, but its frame construction alone is not evidence of Coach.",
        "Condition: approximately Good to Very Good for the visible exteriors; the bags show general age and handling, but interiors, odor, lining condition, and functional hardware are not shown.",
        "No candidate matches Coach catalog: silhouettes are straw tote, patchwork flap, mesh hobo, nylon O-ring hobo, and frame handbag - none correspond to City Bag, Willis, Court, Station, Dinky, etc.",
        "Construction read excludes Coach: straw, mesh, nylon\/satin, and glossy faux-reptile contradict 1970s-1990s unlined glove-tanned + solid brass requirement",
        "No hard identifiers: no creed patch, serial, wordmark, hangtag, or Talon\/YKK brass zipper visible in any of 6 photos",
        "Condition: mixed Good to Very Good exterior appearance for lot; interiors, bottoms, odor\/mold unknown so grade 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: Mixed generic hardware is visible, including silver-tone rings, snaps, buckles, and a metal frame closure; no Coach-stamped hardware is legible.",
        "leather_description": "photo 1: No clearly identifiable Coach glove-tanned leather is visible; materials appear mixed, including woven textile, fabric\/nylon, sequined material, and glossy embossed-look material.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Mixed shoulder straps and handles are visible; most appear synthetic or fabric-covered, with no characteristic vintage Coach strap construction confirmed.",
        "stitching_description": "photo 1: General machine stitching is visible on several bags, but close construction quality and stress points are not sufficiently shown for detailed assessment."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0022,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Listing clearly shows a lot of five handbag-shaped items.",
                    "photo 2: The woven straw-style tote has a decorative button closure and dark handles, but no visible Coach branding.",
                    "photo 6: The black structured bag has a metal frame closure, but no visible Coach wordmark, creed, hangtag, or characteristic Coach hardware."
                ],
                "negative_evidence": [
                    "photo 1: The lot consists of visibly mixed materials and styles, including woven textile, sequined fabric, satin-like fabric, and glossy embossed-look material rather than a consistent Coach leather construction.",
                    "photo 3: The brown patterned shoulder bag has decorative synthetic-looking surfaces and a generic strap\/hardware arrangement, with no Coach identifier visible.",
                    "photo 4: The white sequined shoulder bag has a generic design and bright silver-tone hardware; no Coach branding is visible.",
                    "photo 5: The burgundy bag appears to be fabric or nylon with silver-tone rings and snap hardware, unlike classic vintage Coach glove-tanned leather construction.",
                    "photo 6: The black framed bag has a generic metal-frame silhouette and lacks a visible creed patch, serial\/style number, Coach wordmark, or hangtag.",
                    "photo 1: No Coach identifier is visible anywhere in the group photo."
                ],
                "missing_information": [
                    "Individual interior photos of all five bags, especially the back wall and interior pockets where a creed or label might appear.",
                    "Close-up photographs of every interior label, fabric tag, zipper pull, and hardware marking.",
                    "Bottom, side, strap-attachment, and corner photos for each bag.",
                    "Seller-stated material, dimensions, and any visible brand markings not shown in the supplied photos."
                ],
                "authenticity_concerns": [
                    "photo 1: The mixed-material lot has no visible Coach identifiers and does not present the consistent leather, brass hardware, and catalog silhouettes expected of vintage Coach.",
                    "photo 4: The all-over sequin construction and bright silver-tone hardware are inconsistent with a classic vintage Coach leather handbag.",
                    "photo 5: The fabric\/nylon construction and silver-tone ring hardware are inconsistent with classic vintage Coach glove-tanned leather construction."
                ],
                "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: Mixed generic hardware is visible, including silver-tone rings, snaps, buckles, and a metal frame closure; no Coach-stamped hardware is legible.",
                    "leather_description": "photo 1: No clearly identifiable Coach glove-tanned leather is visible; materials appear mixed, including woven textile, fabric\/nylon, sequined material, and glossy embossed-look material.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Mixed shoulder straps and handles are visible; most appear synthetic or fabric-covered, with no characteristic vintage Coach strap construction confirmed.",
                    "stitching_description": "photo 1: General machine stitching is visible on several bags, but close construction quality and stress points are not sufficiently shown for detailed assessment."
                },
                "possible_model_reasoning": [
                    "photo 1: None of the five visible silhouettes can be matched reliably to a Coach catalog model; the group appears to be a mixed-brand or generic handbag lot.",
                    "photo 2: The woven tote is not a classic Coach leather model and has no visible Coach identifier.",
                    "photo 6: The black framed handbag may be a vintage-style evening or formal bag, but its frame construction alone is not evidence of Coach.",
                    "Condition: approximately Good to Very Good for the visible exteriors; the bags show general age and handling, but interiors, odor, lining condition, and functional hardware are not shown."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 10,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.82,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 45,
                "estimated_resale_low": 20,
                "image_quality_score": 0.62,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1: lot view only, no interior, creed patch, or hardware close-ups for any of the 5 bags",
                    "photo 2-6: no interior views, so lining and creed presence cannot be verified inside",
                    "photo 2-6: no bottom, side, or scale views; no legible brand stamps or Made-in lines",
                    "photo 3-6: no turnlock, hangtag, or zipper-pull stamp close-ups"
                ],
                "negative_evidence": [
                    "photo 2: woven straw \/ wicker tote with fabric liner - excluded material per skill, never vintage Coach glove-tanned",
                    "photo 3: patchwork faux-reptile \/ coated synthetic flap bag with shiny finish and silver-tone buckle - not glove-tanned cowhide",
                    "photo 4: white metal-mesh \/ chainmail hobo with thin flat strap - beads\/metal mesh construction, not Coach",
                    "photo 5: red satin \/ nylon soft hobo with silver-tone O-rings and snap tabs - nylon\/synthetic, not leather",
                    "photo 6: black frame-top handbag with gold-tone kisslock\/frame bar and looped handles - no turnlock, no creed, no brass Coach hardware geometry",
                    "photos 1-6: no COACH wordmark, no horse-and-carriage, no creed patch, no leather hangtag, no solid-brass turnlock visible on any bag"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 6: gold-tone frame bar with rectangular clasp; photo 5: silver-tone O-rings and snaps; photo 3: silver-tone buckle\/ring; no solid brass turnlock with thin oval plate visible",
                    "leather_description": "photo 1-6: no glove-tanned cowhide visible; straw\/wicker, apparent synthetic patchwork with high gloss, metal mesh, nylon\/satin, and polished black box-calflike material",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - no close-up stitching legible; general machine stitching on straps only",
                    "strap_construction": "photo 2: thin dark faux-leather tote handles; photo 3: thin faux-croc crossbody strap; photo 4: thin flat white strap; photo 5: fabric shoulder strap on rings; photo 6: thin rolled top handles looped through body",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No candidate matches Coach catalog: silhouettes are straw tote, patchwork flap, mesh hobo, nylon O-ring hobo, and frame handbag - none correspond to City Bag, Willis, Court, Station, Dinky, etc.",
                    "Construction read excludes Coach: straw, mesh, nylon\/satin, and glossy faux-reptile contradict 1970s-1990s unlined glove-tanned + solid brass requirement",
                    "No hard identifiers: no creed patch, serial, wordmark, hangtag, or Talon\/YKK brass zipper visible in any of 6 photos",
                    "Condition: mixed Good to Very Good exterior appearance for lot; interiors, bottoms, odor\/mold unknown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.12
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 29565,
            "output_tokens": 1007,
            "total_tokens": 30572,
            "estimated_cost_usd": 0.014243
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30978,
            "output_tokens": 1619,
            "total_tokens": 32597,
            "estimated_cost_usd": 0.007491
        }
    ]
}