Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.325,
    "vintage_probability": 0.64,
    "authenticity_confidence": 0.24,
    "image_quality_score": 0.8,
    "seller_misidentification_probability": 0.32,
    "confidence": 0.78,
    "recommended_max_bid": 18.5,
    "estimated_resale_low": 20,
    "estimated_resale_high": 55,
    "possible_models": [],
    "positive_evidence": [
        "photo 7: a sewn rectangular leather patch is visible inside and appears to include the COACH wordmark and LEATHERWARE-style heading, although the full text is cropped and angled",
        "photos 1-6: substantial leather construction, stitched braided borders, leather interior, and a leather shoulder strap are visible",
        "photos 1-3: the bag is a flap crossbody with a centered turning clasp, a silhouette broadly compatible with some vintage Coach shoulder bags",
        "photos 4-6: the interior appears leather rather than synthetic textile and includes zippered compartments",
        "photo 4, photo 5: leather construction with unlined interior is consistent with older leather bags generally, but not specific to Coach"
    ],
    "negative_evidence": [
        "photos 1-3: elaborate hand-tooled floral and bird decoration, braided edging, and an oversized ornate clasp are atypical of the documented classic Coach silhouettes",
        "photos 1-3: hardware appears silver or mixed-tone rather than the solid brass normally associated with many 1970s-early-1990s Coach classics",
        "photo 7: the creed is only partially visible, angled, and cut off, preventing verification of the complete wording, country line, and number",
        "photos 4-6: zippers and interior construction do not visibly show a Coach-marked pull or other independent brand identifier",
        "photo 1, photo 2, photo 3: all-over hand-tooled floral Southwestern carving with braided lacing, never used on vintage Coach classics",
        "photo 6: interior stamp reads M. Castillo HAND TOOLED MEXICO with crown logo, positively identifying non-Coach maker",
        "photo 1, photo 2, photo 3: ornate pierced oval twist lock, not Coach turnlock geometry with wide thin oval back plate and slim rounded tab",
        "photo 4, photo 5, photo 6: no Coach creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible"
    ],
    "missing_information": [
        "Straight-on close-up of the entire interior creed patch in raking light",
        "Clear photo of the complete serial\/style number, including the No. prefix",
        "Full interior wall and all interior pockets to check for additional labels or tags",
        "Close-ups of the clasp, zipper pulls, strap clips, and any hardware markings",
        "Back, sides, bottom, and all four corners",
        "Seller-stated dimensions and confirmation of whether the creed patch is sewn rather than glued",
        "no bottom and corner close-ups to refine condition grade",
        "no full strap length view"
    ],
    "authenticity_concerns": [
        "The ornate tooled Southwestern design and decorative clasp are not a clear match for a documented Coach catalog model and could indicate another leather-maker or a lookalike bag",
        "The apparent creed cannot be fully read or checked for consistent wording, country, and serial format; a transplanted or imitated creed cannot be excluded",
        "Nickel\/silver-looking hardware on a highly vintage-styled bag is potentially inconsistent with the usual brass hardware of classic Coach, though the photos do not establish the metal definitively",
        "photo 6: bag carries alternate maker mark M. Castillo Hand Tooled Mexico, inconsistent with Coach manufacture"
    ],
    "possible_model_reasoning": [
        "The flap crossbody proportions could superficially resemble a vintage Coach Pocket Purse, Dinky, or other small shoulder bag, but the extensive tooling and decorative clasp do not provide a reliable model match; no Coach model is assigned.",
        "The visible interior patch appears Coach-related, but the number and country line cannot be read, so no era or style-number decoding is possible.",
        "Condition appears Good: visible scratches, dryness, edge wear, and worn interior\/zipper areas in photos 4-7; odor, mold, and strap integrity remain unknown.",
        "No Coach model fits: silhouette is small tooled flap purse ~9-10 in wide per tape in photo 2-3, with all-over Western tooling and Mexican maker stamp, outside Coach catalog 4.1-4.3",
        "Maker identified in photo 6 as M. Castillo Hand Tooled Mexico, ruling out Coach manufacture",
        "Condition: Good to Very Good; exterior tooling intact with patina and surface wear, interior shows soiling and zip wear in photo 4-5, bottom corners not 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": true,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "A centered oval decorative turning clasp is visible on the front; strap hardware appears silver-tone, while the clasp appears darkened brass or mixed-tone. No readable hardware branding is visible.",
        "leather_description": "Brown leather with extensive embossed\/hand-tooled floral and bird decoration, darker stippled panels, and braided leather edging. Surface scratches and dry-looking areas are visible.",
        "lining_description": "Leather or suede-like leather interior is visible; no textile lining is apparent. Interior details are incomplete.",
        "strap_construction": "Adjustable leather shoulder strap with visible metal attachment hardware; full strap and attachment construction are not shown.",
        "stitching_description": "Visible perimeter stitching appears generally regular, with braided leather edging and some worn or uneven areas near the opening."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0373,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.63,
                "vintage_probability": 0.78,
                "authenticity_confidence": 0.46,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.62,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [
                    "photo 7: a sewn rectangular leather patch is visible inside and appears to include the COACH wordmark and LEATHERWARE-style heading, although the full text is cropped and angled",
                    "photos 1-6: substantial leather construction, stitched braided borders, leather interior, and a leather shoulder strap are visible",
                    "photos 1-3: the bag is a flap crossbody with a centered turning clasp, a silhouette broadly compatible with some vintage Coach shoulder bags",
                    "photos 4-6: the interior appears leather rather than synthetic textile and includes zippered compartments"
                ],
                "negative_evidence": [
                    "photos 1-3: elaborate hand-tooled floral and bird decoration, braided edging, and an oversized ornate clasp are atypical of the documented classic Coach silhouettes",
                    "photos 1-3: hardware appears silver or mixed-tone rather than the solid brass normally associated with many 1970s-early-1990s Coach classics",
                    "photo 7: the creed is only partially visible, angled, and cut off, preventing verification of the complete wording, country line, and number",
                    "photos 4-6: zippers and interior construction do not visibly show a Coach-marked pull or other independent brand identifier"
                ],
                "missing_information": [
                    "Straight-on close-up of the entire interior creed patch in raking light",
                    "Clear photo of the complete serial\/style number, including the No. prefix",
                    "Full interior wall and all interior pockets to check for additional labels or tags",
                    "Close-ups of the clasp, zipper pulls, strap clips, and any hardware markings",
                    "Back, sides, bottom, and all four corners",
                    "Seller-stated dimensions and confirmation of whether the creed patch is sewn rather than glued"
                ],
                "authenticity_concerns": [
                    "The ornate tooled Southwestern design and decorative clasp are not a clear match for a documented Coach catalog model and could indicate another leather-maker or a lookalike bag",
                    "The apparent creed cannot be fully read or checked for consistent wording, country, and serial format; a transplanted or imitated creed cannot be excluded",
                    "Nickel\/silver-looking hardware on a highly vintage-styled bag is potentially inconsistent with the usual brass hardware of classic Coach, though the photos do not establish the metal definitively"
                ],
                "observed_features": {
                    "creed_present": true,
                    "creed_text": "not_visible",
                    "serial_or_style_number_present": false,
                    "serial_or_style_number": "not_visible",
                    "coach_wordmark_present": true,
                    "turnlock_present": true,
                    "hangtag_present": false,
                    "hardware_description": "A centered oval decorative turning clasp is visible on the front; strap hardware appears silver-tone, while the clasp appears darkened brass or mixed-tone. No readable hardware branding is visible.",
                    "leather_description": "Brown leather with extensive embossed\/hand-tooled floral and bird decoration, darker stippled panels, and braided leather edging. Surface scratches and dry-looking areas are visible.",
                    "lining_description": "Leather or suede-like leather interior is visible; no textile lining is apparent. Interior details are incomplete.",
                    "strap_construction": "Adjustable leather shoulder strap with visible metal attachment hardware; full strap and attachment construction are not shown.",
                    "stitching_description": "Visible perimeter stitching appears generally regular, with braided leather edging and some worn or uneven areas near the opening."
                },
                "possible_model_reasoning": [
                    "The flap crossbody proportions could superficially resemble a vintage Coach Pocket Purse, Dinky, or other small shoulder bag, but the extensive tooling and decorative clasp do not provide a reliable model match; no Coach model is assigned.",
                    "The visible interior patch appears Coach-related, but the number and country line cannot be read, so no era or style-number decoding is possible.",
                    "Condition appears Good: visible scratches, dryness, edge wear, and worn interior\/zipper areas in photos 4-7; odor, mold, and strap integrity remain unknown."
                ],
                "confidence": 0.68,
                "recommended_max_bid": 25,
                "estimated_resale_low": 25,
                "estimated_resale_high": 75
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 6: bag carries alternate maker mark M. Castillo Hand Tooled Mexico, inconsistent with Coach manufacture"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.78,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "no bottom and corner close-ups to refine condition grade",
                    "no full strap length view"
                ],
                "negative_evidence": [
                    "photo 1, photo 2, photo 3: all-over hand-tooled floral Southwestern carving with braided lacing, never used on vintage Coach classics",
                    "photo 6: interior stamp reads M. Castillo HAND TOOLED MEXICO with crown logo, positively identifying non-Coach maker",
                    "photo 1, photo 2, photo 3: ornate pierced oval twist lock, not Coach turnlock geometry with wide thin oval back plate and slim rounded tab",
                    "photo 4, photo 5, photo 6: no Coach creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 1: brass-tone pierced filigree oval twist-lock with central T-bar; photo 1-3: silver-tone strap buckle and rings; tarnished aged tone, not Coach solid-brass turnlock geometry",
                    "leather_description": "photo 1-3: medium-brown cowhide with deep hand-tooled floral and leaf carving, dark stippled background, braided edge lacing; photo 4-5: smooth tan leather interior \/ underside of flap",
                    "lining_description": "photo 4, photo 5: unlined leather interior with central zippered compartment; tan leather, no fabric lining, no creed patch",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 5: light contrast stitching along zip compartment, even but not Coach-matched thread; edge lacing rather than turned edges",
                    "strap_construction": "photo 1-3: thin flat leather shoulder strap with buckle adjustment, partially visible at sides; full length and attachments not shown",
                    "turnlock_present": true
                },
                "positive_evidence": [
                    "photo 4, photo 5: leather construction with unlined interior is consistent with older leather bags generally, but not specific to Coach"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: silhouette is small tooled flap purse ~9-10 in wide per tape in photo 2-3, with all-over Western tooling and Mexican maker stamp, outside Coach catalog 4.1-4.3",
                    "Maker identified in photo 6 as M. Castillo Hand Tooled Mexico, ruling out Coach manufacture",
                    "Condition: Good to Very Good; exterior tooling intact with patina and surface wear, interior shows soiling and zip wear in photo 4-5, bottom corners not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.5
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 33097,
            "output_tokens": 1083,
            "total_tokens": 34180,
            "estimated_cost_usd": 0.015838
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 35568,
            "output_tokens": 1669,
            "total_tokens": 37237,
            "estimated_cost_usd": 0.008449
        }
    ]
}