| creed present | no |
| serial or style number present | no |
| coach wordmark present | no |
| turnlock present | no |
| hangtag present | no |
| creed text | not_visible |
| serial or style number | not_visible |
| hardware description | photo 2: silver-tone plated D-rings, lobster-style clips, and zipper hardware are visible; no Coach engraving is legible. |
| leather description | photo 1: burgundy pebbled synthetic/PU material as stated by the seller; it does not appear to be vintage glove-tanned leather. |
| lining description | photo 6: brown fabric-like interior lining is visible in a promotional open-bag image. |
| strap construction | photo 1: adjustable backpack straps and a detachable-looking long shoulder strap; conversion hardware is visible. |
| stitching description | photo 2: machine-stitched edges appear generally even, but the promotional images do not permit a detailed construction assessment. |
{
"is_handbag_probability": 0.645,
"coach_probability": 0.015,
"vintage_probability": 0.01,
"authenticity_confidence": 0.015,
"image_quality_score": 0.865,
"seller_misidentification_probability": 0.05,
"confidence": 0.93,
"recommended_max_bid": 12.5,
"estimated_resale_low": 7.5,
"estimated_resale_high": 30,
"possible_models": [],
"positive_evidence": [
"photo 1: clearly depicts a structured convertible backpack\/shoulder handbag.",
"photo 4: product branding appears to show a kangaroo-like logo and a non-Coach wordmark, not COACH."
],
"negative_evidence": [
"photo 1: seller-listed PU leather is inconsistent with classic vintage Coach glove-tanned leather.",
"photo 2: silver-tone plated hardware, multiple zippers, and modern backpack construction are not characteristic of the listed vintage Coach classics.",
"photo 4: visible kangaroo-style emblem and wordmark are not Coach's horse-and-carriage mark.",
"photo 5: the decorative heart and key charms are not Coach identification features.",
"photo 6: promotional product imagery shows a modern convertible backpack rather than a vintage Coach handbag.",
"listing text: seller identifies the material as PU leather and the brand as unbranded.",
"photo 1: convertible backpack silhouette with top handle and backpack straps, not a vintage Coach silhouette",
"photo 2: pebbled PU synthetic grain, seller title states PU leather",
"photo 2 panel 4: signature metal logo kangaroo + MAIQIDAISHU, not COACH",
"photo 2 panel 5: zipper charm MQDS with kangaroo logo",
"photo 4: brown fabric lining in interior view, not unlined glove-tanned suede",
"photo 2 panel 2: gunmetal-tone detachable side hook and hardware, not solid vintage brass",
"photo 1-4: decorative red heart + keys charm, modern fast-fashion styling"
],
"missing_information": [
"A straight-on photo of any interior brand label or creed patch.",
"Close-up photos of all exterior logos, tags, and hardware markings.",
"A real, unedited photo of the actual bag rather than only promotional composites.",
"Photos of the bag's bottom, corners, strap attachment points, and interior lining.",
"None - alternate brand already legible; no Coach verification photos needed"
],
"authenticity_concerns": [
"photo 4: the visible non-Coach kangaroo-style branding is inconsistent with Coach manufacture.",
"photo 2: the modern synthetic-material and plated-hardware construction is inconsistent with the vintage Coach styles this tool is intended to identify."
],
"possible_model_reasoning": [
"The silhouette is a modern convertible backpack with a flap, multiple zippered compartments, and interchangeable straps; it does not closely match a catalogued vintage Coach model.",
"photo 4: the visible kangaroo-style emblem and wordmark support a different modern brand or generic manufacturer.",
"Condition cannot be reliably graded because the images are promotional composites rather than detailed photos of the actual used item; apparent condition is not established.",
"No Coach creed, wordmark, hangtag, brass turnlock or glove-tanned leather visible in any photo",
"Visible kangaroo logo MAIQIDAISHU \/ MQDS in photo 1, photo 2 panels 1,4,5 and photo 3 positively identifies alternate modern brand",
"PU material, gunmetal hardware, fabric lining and convertible backpack form are inconsistent with vintage Coach classics",
"Condition: New \/ stock images; modern mass-produced PU backpack"
],
"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: silver-tone plated D-rings, lobster-style clips, and zipper hardware are visible; no Coach engraving is legible.",
"leather_description": "photo 1: burgundy pebbled synthetic\/PU material as stated by the seller; it does not appear to be vintage glove-tanned leather.",
"lining_description": "photo 6: brown fabric-like interior lining is visible in a promotional open-bag image.",
"strap_construction": "photo 1: adjustable backpack straps and a detachable-looking long shoulder strap; conversion hardware is visible.",
"stitching_description": "photo 2: machine-stitched edges appear generally even, but the promotional images do not permit a detailed construction assessment."
},
"ensemble_agreement": "MEDIUM",
"ensemble_variance": 0.0172,
"ensemble_members": [
{
"model_name": "openai:gpt-5.6-luna",
"result": {
"is_handbag_probability": 0.99,
"coach_probability": 0.02,
"vintage_probability": 0.01,
"authenticity_confidence": 0.02,
"image_quality_score": 0.88,
"seller_misidentification_probability": 0.08,
"estimated_era": "modern (2000s+), non-Coach",
"possible_models": [],
"positive_evidence": [
"photo 1: clearly depicts a structured convertible backpack\/shoulder handbag.",
"photo 4: product branding appears to show a kangaroo-like logo and a non-Coach wordmark, not COACH."
],
"negative_evidence": [
"photo 1: seller-listed PU leather is inconsistent with classic vintage Coach glove-tanned leather.",
"photo 2: silver-tone plated hardware, multiple zippers, and modern backpack construction are not characteristic of the listed vintage Coach classics.",
"photo 4: visible kangaroo-style emblem and wordmark are not Coach's horse-and-carriage mark.",
"photo 5: the decorative heart and key charms are not Coach identification features.",
"photo 6: promotional product imagery shows a modern convertible backpack rather than a vintage Coach handbag.",
"listing text: seller identifies the material as PU leather and the brand as unbranded."
],
"missing_information": [
"A straight-on photo of any interior brand label or creed patch.",
"Close-up photos of all exterior logos, tags, and hardware markings.",
"A real, unedited photo of the actual bag rather than only promotional composites.",
"Photos of the bag's bottom, corners, strap attachment points, and interior lining."
],
"authenticity_concerns": [
"photo 4: the visible non-Coach kangaroo-style branding is inconsistent with Coach manufacture.",
"photo 2: the modern synthetic-material and plated-hardware construction is inconsistent with the vintage Coach styles this tool is intended to identify."
],
"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: silver-tone plated D-rings, lobster-style clips, and zipper hardware are visible; no Coach engraving is legible.",
"leather_description": "photo 1: burgundy pebbled synthetic\/PU material as stated by the seller; it does not appear to be vintage glove-tanned leather.",
"lining_description": "photo 6: brown fabric-like interior lining is visible in a promotional open-bag image.",
"strap_construction": "photo 1: adjustable backpack straps and a detachable-looking long shoulder strap; conversion hardware is visible.",
"stitching_description": "photo 2: machine-stitched edges appear generally even, but the promotional images do not permit a detailed construction assessment."
},
"possible_model_reasoning": [
"The silhouette is a modern convertible backpack with a flap, multiple zippered compartments, and interchangeable straps; it does not closely match a catalogued vintage Coach model.",
"photo 4: the visible kangaroo-style emblem and wordmark support a different modern brand or generic manufacturer.",
"Condition cannot be reliably graded because the images are promotional composites rather than detailed photos of the actual used item; apparent condition is not established."
],
"confidence": 0.91,
"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": 0.01,
"coach_probability": 0.01,
"confidence": 0.95,
"estimated_era": "modern (2000s+), non-Coach",
"estimated_resale_high": 30,
"estimated_resale_low": 10,
"image_quality_score": 0.85,
"is_handbag_probability": 0.3,
"missing_information": [
"None - alternate brand already legible; no Coach verification photos needed"
],
"negative_evidence": [
"photo 1: convertible backpack silhouette with top handle and backpack straps, not a vintage Coach silhouette",
"photo 2: pebbled PU synthetic grain, seller title states PU leather",
"photo 2 panel 4: signature metal logo kangaroo + MAIQIDAISHU, not COACH",
"photo 2 panel 5: zipper charm MQDS with kangaroo logo",
"photo 4: brown fabric lining in interior view, not unlined glove-tanned suede",
"photo 2 panel 2: gunmetal-tone detachable side hook and hardware, not solid vintage brass",
"photo 1-4: decorative red heart + keys charm, modern fast-fashion styling"
],
"observed_features": {
"coach_wordmark_present": false,
"creed_present": false,
"creed_text": "not_visible",
"hangtag_present": false,
"hardware_description": "gunmetal \/ dark nickel-tone zippers, lobster clasps, D-rings and buckles; modern plated finish",
"leather_description": "pebbled-grain PU synthetic in burgundy\/black\/blue\/purple; uniform embossed grain, seller states PU leather",
"lining_description": "brown fabric lining visible in photo 4 interior view",
"serial_or_style_number": "not_visible",
"serial_or_style_number_present": false,
"stitching_description": "straight machine stitching visible on straps and edges; tone-matched",
"strap_construction": "dual backpack straps with buckle adjustment plus detachable single shoulder strap on lobster clips; top handle",
"turnlock_present": false
},
"positive_evidence": [],
"possible_model_reasoning": [
"No Coach creed, wordmark, hangtag, brass turnlock or glove-tanned leather visible in any photo",
"Visible kangaroo logo MAIQIDAISHU \/ MQDS in photo 1, photo 2 panels 1,4,5 and photo 3 positively identifies alternate modern brand",
"PU material, gunmetal hardware, fabric lining and convertible backpack form are inconsistent with vintage Coach classics",
"Condition: New \/ stock images; modern mass-produced PU backpack"
],
"possible_models": [],
"recommended_max_bid": 15,
"seller_misidentification_probability": 0.02,
"vintage_probability": 0.01
}
}
],
"_usage": [
{
"model_name": "openai:gpt-5.6-luna",
"input_tokens": 22773,
"output_tokens": 852,
"total_tokens": 23625,
"estimated_cost_usd": 0.011154
},
{
"model_name": "meta:muse-spark-1.3-contributor",
"input_tokens": 23480,
"output_tokens": 1446,
"total_tokens": 24926,
"estimated_cost_usd": 0.005853
}
]
}
This is a model-generated estimate, not an observed market/sold price. Treat it as a rough guide only.
Nearest-perceptual-hash comparison against a small curated library of known vintage Coach models (data/coach-reference/) -- a coarse mechanical signal, not authentication.
No reference matches yet.