Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.03,
    "vintage_probability": 0.315,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.655,
    "seller_misidentification_probability": 0.105,
    "confidence": 0.81,
    "recommended_max_bid": 12.5,
    "estimated_resale_low": 15,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 3: clearly a leather shoulder\/hobo bag with patchwork construction.",
        "photo 3: leather construction is visible, which is compatible with some vintage Coach bags in general.",
        "photo 1: leather hobo shoulder bag - same broad population where misidentified vintage could hide"
    ],
    "negative_evidence": [
        "photo 3: front has multiple exterior zippered compartments and a decorative multicolor patchwork layout unlike the documented classic Coach silhouettes.",
        "photos 1-6: no visible Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or Coach hangtag.",
        "photos 1-6: hardware appears silver-tone, whereas most 1970s\u2013early 1990s classic Coach bags used solid brass hardware.",
        "photo 3: zipper-heavy construction and decorative diagonal patchwork are more consistent with a generic Mexican leather or boho bag than a Coach classic.",
        "listing text: seller identifies it as made in Mexico and does not provide any Coach identifier; this is seller-stated information, not independently verified.",
        "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 3: multicolor patchwork colorblock panels - never a vintage Coach classic construction which is tone-on-tone glove-tanned",
        "photo 3,5: silver-tone zip-top and exterior zip pockets with unbranded pulls - vintage Coach classics use solid brass and turnlock flap, not this layout",
        "photo 3-5: no solid brass turnlock, no brass dogleash clips, no bead-chain hangtag",
        "photo 1-6: silhouette is soft zip-top patchwork hobo with two exterior zips - does not match any catalog style in 4.2"
    ],
    "missing_information": [
        "photo 5: interior is not shown emptied or close-up, so any sewn-in brand label, creed, or fabric tag cannot be ruled out.",
        "photo 5: close-up of the interior wall, zipper pocket, and all labels is needed.",
        "photo 6: close-ups of zipper pulls, strap clips, and any stamped hardware are missing.",
        "photo 4: bottom and corner condition views are limited.",
        "photo of interior lining and interior pockets to check for creed patch or fabric labels",
        "close-up of zipper pulls and hardware stamps",
        "close-up of strap attachments and bottom corners",
        "seller-stated Made in Mexico label not shown in photos - request photo"
    ],
    "authenticity_concerns": [
        "No Coach identifiers are visible despite six photos, making a Coach attribution unsupported.",
        "The silver-tone hardware and patchwork\/zipper-heavy design are inconsistent with the most likely 1970s Coach construction.",
        "The claimed 1970s date is not supported by any visible period Coach label or construction identifier."
    ],
    "possible_model_reasoning": [
        "The silhouette is a compact soft shoulder bag with several exterior pockets, but it does not closely match the listed classic Coach City Bag, Court, Willis, Station, or Stewardess constructions.",
        "No serial or creed is visible, so Coach dating and model decoding are unavailable.",
        "Condition: Good; visible creasing and surface wear are present, while the interior, bottom, and strap fold condition are not fully shown.",
        "No Coach catalog match: patchwork zip hobo with dual front zips does not correspond to City Bag (9790), Willis (9927), Court (9870), Station (5130), Ergo or Soho hobo lines",
        "Era reasoning: seller states Made in Mexico and 1970s, but no identifier visible to date; construction with silver zippers and patchwork is inconsistent with 1975-1987 NYC creed or 1985-1993 US creed glove-tanned unlined classics",
        "Condition: appears Good to Very Good with surface wear and creasing (photo 5) but bottom, interior and strap fold not shown 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": "Visible silver-tone zipper pulls, strap clips, and rivet\/snaps; no Coach engraving is legible. The hardware does not resemble a classic brass Coach turnlock.",
        "leather_description": "Visible smooth leather panels in tan, brown, cream, and dark green, assembled as colorblock patchwork; surface shows creasing and wear.",
        "lining_description": "not_visible - interior not shown, dark glimpse only in photo 3,5",
        "strap_construction": "Long adjustable shoulder strap attached with small metal clips and leather tabs; silver-tone hardware is visible.",
        "stitching_description": "Visible machine stitching appears generally even around the patchwork panels and zipper compartments; fine stitch details are not sufficiently close for brand attribution."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0026,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.28,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.76,
                "seller_misidentification_probability": 0.18,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 3: clearly a leather shoulder\/hobo bag with patchwork construction.",
                    "photo 3: leather construction is visible, which is compatible with some vintage Coach bags in general."
                ],
                "negative_evidence": [
                    "photo 3: front has multiple exterior zippered compartments and a decorative multicolor patchwork layout unlike the documented classic Coach silhouettes.",
                    "photos 1-6: no visible Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or Coach hangtag.",
                    "photos 1-6: hardware appears silver-tone, whereas most 1970s\u2013early 1990s classic Coach bags used solid brass hardware.",
                    "photo 3: zipper-heavy construction and decorative diagonal patchwork are more consistent with a generic Mexican leather or boho bag than a Coach classic.",
                    "listing text: seller identifies it as made in Mexico and does not provide any Coach identifier; this is seller-stated information, not independently verified."
                ],
                "missing_information": [
                    "photo 5: interior is not shown emptied or close-up, so any sewn-in brand label, creed, or fabric tag cannot be ruled out.",
                    "photo 5: close-up of the interior wall, zipper pocket, and all labels is needed.",
                    "photo 6: close-ups of zipper pulls, strap clips, and any stamped hardware are missing.",
                    "photo 4: bottom and corner condition views are limited."
                ],
                "authenticity_concerns": [
                    "No Coach identifiers are visible despite six photos, making a Coach attribution unsupported.",
                    "The silver-tone hardware and patchwork\/zipper-heavy design are inconsistent with the most likely 1970s Coach construction.",
                    "The claimed 1970s date is not supported by any visible period Coach label or construction identifier."
                ],
                "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": "Visible silver-tone zipper pulls, strap clips, and rivet\/snaps; no Coach engraving is legible. The hardware does not resemble a classic brass Coach turnlock.",
                    "leather_description": "Visible smooth leather panels in tan, brown, cream, and dark green, assembled as colorblock patchwork; surface shows creasing and wear.",
                    "lining_description": "not_visible",
                    "strap_construction": "Long adjustable shoulder strap attached with small metal clips and leather tabs; silver-tone hardware is visible.",
                    "stitching_description": "Visible machine stitching appears generally even around the patchwork panels and zipper compartments; fine stitch details are not sufficiently close for brand attribution."
                },
                "possible_model_reasoning": [
                    "The silhouette is a compact soft shoulder bag with several exterior pockets, but it does not closely match the listed classic Coach City Bag, Court, Willis, Station, or Stewardess constructions.",
                    "No serial or creed is visible, so Coach dating and model decoding are unavailable.",
                    "Condition: Good; visible creasing and surface wear are present, while the interior, bottom, and strap fold condition are not fully shown."
                ],
                "confidence": 0.82,
                "recommended_max_bid": 10,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.8,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo of interior lining and interior pockets to check for creed patch or fabric labels",
                    "close-up of zipper pulls and hardware stamps",
                    "close-up of strap attachments and bottom corners",
                    "seller-stated Made in Mexico label not shown in photos - request photo"
                ],
                "negative_evidence": [
                    "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 3: multicolor patchwork colorblock panels - never a vintage Coach classic construction which is tone-on-tone glove-tanned",
                    "photo 3,5: silver-tone zip-top and exterior zip pockets with unbranded pulls - vintage Coach classics use solid brass and turnlock flap, not this layout",
                    "photo 3-5: no solid brass turnlock, no brass dogleash clips, no bead-chain hangtag",
                    "photo 1-6: silhouette is soft zip-top patchwork hobo with two exterior zips - does not match any catalog style in 4.2"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone zippers on top and two front exterior pockets with unbranded pulls; silver-tone strap rings; no turnlock; no brass hardware visible",
                    "leather_description": "smooth soft leather in patchwork colorblock panels - tan, brown, beige, dark green\/burgundy; not glove-tanned full-grain with patina as described for vintage Coach",
                    "lining_description": "not_visible - interior not shown, dark glimpse only in photo 3,5",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible straight seams joining patchwork panels, tonal thread; no detailed stitch close-up",
                    "strap_construction": "narrow flat shoulder strap, adjustable with buckle holes, attached via metal rings to body loops",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: leather hobo shoulder bag - same broad population where misidentified vintage could hide"
                ],
                "possible_model_reasoning": [
                    "No Coach catalog match: patchwork zip hobo with dual front zips does not correspond to City Bag (9790), Willis (9927), Court (9870), Station (5130), Ergo or Soho hobo lines",
                    "Era reasoning: seller states Made in Mexico and 1970s, but no identifier visible to date; construction with silver zippers and patchwork is inconsistent with 1975-1987 NYC creed or 1985-1993 US creed glove-tanned unlined classics",
                    "Condition: appears Good to Very Good with surface wear and creasing (photo 5) but bottom, interior and strap fold not shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.35
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17752,
            "output_tokens": 809,
            "total_tokens": 18561,
            "estimated_cost_usd": 0.009042
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18090,
            "output_tokens": 1410,
            "total_tokens": 19500,
            "estimated_cost_usd": 0.004746
        }
    ]
}