Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.02,
    "vintage_probability": 0.785,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.69,
    "seller_misidentification_probability": 0.19,
    "confidence": 0.865,
    "recommended_max_bid": 11.5,
    "estimated_resale_low": 10,
    "estimated_resale_high": 32.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: A handbag with a structured black body and decorative metal frame is clearly visible.",
        "photo 4: A second structured black handbag with crocodile-embossed exterior and gold-tone fittings is visible.",
        "photo 3: The interior label appears to read a non-Coach designer or maker name, with New York text beneath it.",
        "photo 6: The interior has a visible non-Coach printed label ending in New York."
    ],
    "negative_evidence": [
        "photo 3: No Coach creed patch, COACH wordmark, or horse-and-carriage is visible; the sewn label is attributed to another maker.",
        "photo 6: The interior label visibly reads a non-Coach name rather than COACH.",
        "photos 1 and 4: The bags use ornate decorative frame hardware and crocodile-embossed material, unlike the typical unlined glove-tanned leather construction of vintage Coach classics.",
        "photo 5: The interior appears fabric-lined with a zipper compartment, not the characteristic interior of a classic unlined vintage Coach bag.",
        "listing text: The seller describes the bags as by other makers and does not identify Coach.",
        "photo 3: interior fabric label reads BY Triangle NEW YORK, not Coach creed or wordmark",
        "photo 6: interior grosgrain stamp reads bag by Dorian, not Coach",
        "photo 1: ornate embossed silver-tone kisslock frame with top handle - not a Coach classic silhouette or turnlock geometry",
        "photo 4, photo 5: black croc-embossed structured top-handle bag with bright gold-tone chain-link mounts and black fabric lining - lined construction, plated hardware, not unlined glove-tanned brass classic",
        "photo 5: fabric lining with zip pocket and gold piping, no leather creed patch visible",
        "No COACH wordmark, horse-and-carriage, leather creed patch, or hangtag visible in any of 6 photos"
    ],
    "missing_information": [
        "photo 3: A sharper, straight-on close-up of the maker label is needed to read the brand exactly.",
        "photos 1-6: Confirm whether this is a two-bag lot, since the photos show two different handbags.",
        "photo 4: Close-ups of the exterior material and corner condition.",
        "photos 1 and 4: Dimensions, bottom, side seams, and closure details for each bag.",
        "photo 5: Full interior views and any additional labels, country-of-origin tags, or material tags.",
        "No Coach creed patch shown in any photo - interior views show other makers labels instead",
        "No bottom, side, hardware close-up views for full condition grade",
        "Seller dimensions and full lot contents unclear from description"
    ],
    "authenticity_concerns": [
        "photo 3: The visible interior label appears to identify another maker, making a Coach attribution unlikely.",
        "photo 6: The printed interior branding is inconsistent with a Coach bag.",
        "photos 1-6: No Coach identifier is visible on either handbag; these appear to be non-Coach vintage evening or structured bags rather than Coach lookalikes with a credible Coach construction profile."
    ],
    "possible_model_reasoning": [
        "photo 1: The first item is a structured vintage-style evening handbag with an ornate frame, not a recognizable Coach catalog silhouette.",
        "photo 4: The second item is a boxy crocodile-embossed top-handle bag; no Coach model match is apparent.",
        "photo 3: The visible non-Coach label and textile lining outweigh the generic black handbag silhouette as evidence against Coach.",
        "Condition: approximately Very Good from the visible exterior, with light surface wear and no clearly visible major structural damage; interiors and odors are not fully assessable.",
        "Lot contains two different vintage non-Coach bags: Bag A (photos 1-3) Triangle New York kisslock bag, Bag B (photos 4-6) Dorian croc-embossed bag - neither matches any Coach catalog silhouette, closure, or construction",
        "No Coach identifiers to decode; era by construction is vintage second-half 20th century but non-Coach, so canonical era is non-Coach",
        "Condition: Good to Very Good by photos - exteriors intact with light wear, interiors appear clean but photos are blurry 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 1: Ornate dark\/silver-tone decorative metal frame with a small central clasp and a narrow shoulder strap. photo 4: Gold-tone handle attachments and fittings on a structured crocodile-embossed bag. No Coach-style turnlock is visible.",
        "leather_description": "photo 1: Smooth black exterior, but material cannot be confirmed as leather from the photos. photo 4: Black crocodile-embossed exterior with a glossy finish; material cannot be confirmed as leather.",
        "lining_description": "photo 5: Dark fabric lining with a zippered compartment and light-colored interior material visible; appears synthetic or textile-lined.",
        "strap_construction": "photo 1: Narrow fixed shoulder strap attached at the sides of the decorative frame. photo 4: Short fixed top handle attached with gold-tone fittings.",
        "stitching_description": "photos 1, 4 and 5: Generally straight perimeter stitching is visible, though close detail and thread construction are limited."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0071,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.97,
                "coach_probability": 0.02,
                "vintage_probability": 0.72,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.83,
                "seller_misidentification_probability": 0.35,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: A handbag with a structured black body and decorative metal frame is clearly visible.",
                    "photo 4: A second structured black handbag with crocodile-embossed exterior and gold-tone fittings is visible.",
                    "photo 3: The interior label appears to read a non-Coach designer or maker name, with New York text beneath it.",
                    "photo 6: The interior has a visible non-Coach printed label ending in New York."
                ],
                "negative_evidence": [
                    "photo 3: No Coach creed patch, COACH wordmark, or horse-and-carriage is visible; the sewn label is attributed to another maker.",
                    "photo 6: The interior label visibly reads a non-Coach name rather than COACH.",
                    "photos 1 and 4: The bags use ornate decorative frame hardware and crocodile-embossed material, unlike the typical unlined glove-tanned leather construction of vintage Coach classics.",
                    "photo 5: The interior appears fabric-lined with a zipper compartment, not the characteristic interior of a classic unlined vintage Coach bag.",
                    "listing text: The seller describes the bags as by other makers and does not identify Coach."
                ],
                "missing_information": [
                    "photo 3: A sharper, straight-on close-up of the maker label is needed to read the brand exactly.",
                    "photos 1-6: Confirm whether this is a two-bag lot, since the photos show two different handbags.",
                    "photo 4: Close-ups of the exterior material and corner condition.",
                    "photos 1 and 4: Dimensions, bottom, side seams, and closure details for each bag.",
                    "photo 5: Full interior views and any additional labels, country-of-origin tags, or material tags."
                ],
                "authenticity_concerns": [
                    "photo 3: The visible interior label appears to identify another maker, making a Coach attribution unlikely.",
                    "photo 6: The printed interior branding is inconsistent with a Coach bag.",
                    "photos 1-6: No Coach identifier is visible on either handbag; these appear to be non-Coach vintage evening or structured bags rather than Coach lookalikes with a credible Coach construction profile."
                ],
                "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: Ornate dark\/silver-tone decorative metal frame with a small central clasp and a narrow shoulder strap. photo 4: Gold-tone handle attachments and fittings on a structured crocodile-embossed bag. No Coach-style turnlock is visible.",
                    "leather_description": "photo 1: Smooth black exterior, but material cannot be confirmed as leather from the photos. photo 4: Black crocodile-embossed exterior with a glossy finish; material cannot be confirmed as leather.",
                    "lining_description": "photo 5: Dark fabric lining with a zippered compartment and light-colored interior material visible; appears synthetic or textile-lined.",
                    "strap_construction": "photo 1: Narrow fixed shoulder strap attached at the sides of the decorative frame. photo 4: Short fixed top handle attached with gold-tone fittings.",
                    "stitching_description": "photos 1, 4 and 5: Generally straight perimeter stitching is visible, though close detail and thread construction are limited."
                },
                "possible_model_reasoning": [
                    "photo 1: The first item is a structured vintage-style evening handbag with an ornate frame, not a recognizable Coach catalog silhouette.",
                    "photo 4: The second item is a boxy crocodile-embossed top-handle bag; no Coach model match is apparent.",
                    "photo 3: The visible non-Coach label and textile lining outweigh the generic black handbag silhouette as evidence against Coach.",
                    "Condition: approximately Very Good from the visible exterior, with light surface wear and no clearly visible major structural damage; interiors and odors are not fully assessable."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No Coach creed patch shown in any photo - interior views show other makers labels instead",
                    "No bottom, side, hardware close-up views for full condition grade",
                    "Seller dimensions and full lot contents unclear from description"
                ],
                "negative_evidence": [
                    "photo 3: interior fabric label reads BY Triangle NEW YORK, not Coach creed or wordmark",
                    "photo 6: interior grosgrain stamp reads bag by Dorian, not Coach",
                    "photo 1: ornate embossed silver-tone kisslock frame with top handle - not a Coach classic silhouette or turnlock geometry",
                    "photo 4, photo 5: black croc-embossed structured top-handle bag with bright gold-tone chain-link mounts and black fabric lining - lined construction, plated hardware, not unlined glove-tanned brass classic",
                    "photo 5: fabric lining with zip pocket and gold piping, no leather creed patch visible",
                    "No COACH wordmark, horse-and-carriage, leather creed patch, or hangtag visible in any of 6 photos"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 1: ornate embossed silver-tone kisslock \/ frame top with rectangular clasp; photo 4: bright gold-tone chain-link handle mounts and frame clasp",
                    "leather_description": "photo 1-2: black smooth leather outer slip cover; photo 4: black croc-embossed coated leather structured bag",
                    "lining_description": "photo 3: off-white fabric lining; photo 5-6: black fabric \/ grosgrain lining with interior pockets",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - stitching not legible in provided resolution",
                    "strap_construction": "photo 1, photo 4: short black top handle, fixed \/ chain-mounted, not Coach buckle-adjustable or dogleash strap",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Lot contains two different vintage non-Coach bags: Bag A (photos 1-3) Triangle New York kisslock bag, Bag B (photos 4-6) Dorian croc-embossed bag - neither matches any Coach catalog silhouette, closure, or construction",
                    "No Coach identifiers to decode; era by construction is vintage second-half 20th century but non-Coach, so canonical era is non-Coach",
                    "Condition: Good to Very Good by photos - exteriors intact with light wear, interiors appear clean but photos are blurry and bottom\/corners not fully shown, so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.85
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18090,
            "output_tokens": 1137,
            "total_tokens": 19227,
            "estimated_cost_usd": 0.009965
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18643,
            "output_tokens": 1501,
            "total_tokens": 20144,
            "estimated_cost_usd": 0.004929
        }
    ]
}