| 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 and photo 4: small gold-tone buckle/adjuster hardware is visible on the shoulder strap; no Coach engraving or turnlock is visible. |
| leather description | photo 1 and photo 4: brown pebbled leather-like material with a relatively uniform finished surface; genuine leather is not verifiable from these staged exterior photos. |
| lining description | not_visible |
| strap construction | photo 2, photo 4, and photo 5: two adjustable backpack straps with buckles, plus a small top carry handle; strap interiors and attachment reinforcement are not shown closely. |
| stitching description | photo 1 and photo 4: visible perimeter stitching appears generally even; stress-point stitching and interior seams are not assessable. |
{
"is_handbag_probability": 0.64,
"coach_probability": 0.03,
"vintage_probability": 0.035,
"authenticity_confidence": 0.03,
"image_quality_score": 0.63,
"seller_misidentification_probability": 0.03,
"confidence": 0.75,
"recommended_max_bid": 15,
"estimated_resale_low": 20,
"estimated_resale_high": 60,
"possible_models": [],
"positive_evidence": [
"photo 1: clearly a leather-looking women's backpack with adjustable shoulder straps and a top handle.",
"photo 4: brown pebbled leather-like exterior and generally even visible edge stitching.",
"photo 1-6: leather backpack bag in tan, leather goods category where misidentified bags can occur"
],
"negative_evidence": [
"photo 1: no COACH wordmark, horse-and-carriage, hangtag, or creed patch is visible.",
"photo 2: side construction and buckle hardware do not show recognizable vintage Coach turnlock or classic Coach handbag construction.",
"photo 3: the item is a backpack, a silhouette not matching the listed classic vintage Coach handbag models.",
"photo 4: no Coach identifier or serial\/style number is visible.",
"photo 6: modern fashion-backpack design and smooth finished edges are more consistent with a contemporary generic bag than a vintage Coach classic.",
"photo 1-6: no creed patch, COACH wordmark, horse-and-carriage or hangtag visible",
"photo 1-6: no turnlock visible; flap closure with no visible vintage brass turnlock geometry",
"photo 1-6: backpack silhouette, not a classic vintage Coach handbag silhouette with turnlock flap",
"photo 4: pebbled modern-appearing leather with gold-tone buckle, no solid-brass vintage hardware identifiers",
"photo 1-6: all images are lifestyle\/model-worn stock-style photos with no interior, bottom, or detail views to verify maker"
],
"missing_information": [
"Interior view, including any leather creed patch, fabric label, or serial\/style tag.",
"Straight-on close-up photographs of all hardware, zipper pulls, and buckle stamps.",
"Bottom, corners, strap attachments, and full interior construction.",
"Confirmation whether the exterior is genuine leather, bonded leather, or synthetic material.",
"Seller-stated dimensions and a photograph of any brand marking or tag.",
"photo 1-6 are lifestyle worn shots only, no straight-on product views: request emptied front, back, sides, bottom and interior",
"creed patch straight-on in raking light not shown",
"interior lining, pockets and any fabric tags not shown",
"turnlock\/closure under flap, drawstring and hardware engravings not shown",
"hangtag both faces and chain not shown",
"strap attachments, buckle holes and hardware close-ups not shown",
"seller-stated dimensions and weight not provided"
],
"authenticity_concerns": [
"No direct replica or transplanted Coach component is visible; however, the modern generic design has no visible Coach identifiers and should not be treated as Coach based on these photos."
],
"possible_model_reasoning": [
"The backpack silhouette, flap, side drawstring-style folds, and adjustable straps do not closely match the catalogued vintage Coach handbag models.",
"No readable identifier supports dating or a Coach model assignment.",
"Condition: visually Very Good based on clean exterior presentation and no obvious damage in the staged photos, but interior, bottom, odor, and functional hardware condition are unknown.",
"No Coach identifier visible in any photo so no catalog match is supportable. Backpack form could be compared to Coach Daypack types only if interior creed\/hardware were shown. Condition: Like New to New appearance in lifestyle photos but not gradable without bottom, corners, interior and strap detail; lifestyle photos may be stock\/catalog images, not actual item condition."
],
"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 and photo 4: small gold-tone buckle\/adjuster hardware is visible on the shoulder strap; no Coach engraving or turnlock is visible.",
"leather_description": "photo 1 and photo 4: brown pebbled leather-like material with a relatively uniform finished surface; genuine leather is not verifiable from these staged exterior photos.",
"lining_description": "not_visible",
"strap_construction": "photo 2, photo 4, and photo 5: two adjustable backpack straps with buckles, plus a small top carry handle; strap interiors and attachment reinforcement are not shown closely.",
"stitching_description": "photo 1 and photo 4: visible perimeter stitching appears generally even; stress-point stitching and interior seams are not assessable."
},
"ensemble_agreement": "MEDIUM",
"ensemble_variance": 0.0245,
"ensemble_members": [
{
"model_name": "openai:gpt-5.6-luna",
"result": {
"is_handbag_probability": 0.98,
"coach_probability": 0.03,
"vintage_probability": 0.02,
"authenticity_confidence": 0.03,
"image_quality_score": 0.86,
"seller_misidentification_probability": 0.03,
"estimated_era": "modern (2000s+), non-Coach",
"possible_models": [],
"positive_evidence": [
"photo 1: clearly a leather-looking women's backpack with adjustable shoulder straps and a top handle.",
"photo 4: brown pebbled leather-like exterior and generally even visible edge stitching."
],
"negative_evidence": [
"photo 1: no COACH wordmark, horse-and-carriage, hangtag, or creed patch is visible.",
"photo 2: side construction and buckle hardware do not show recognizable vintage Coach turnlock or classic Coach handbag construction.",
"photo 3: the item is a backpack, a silhouette not matching the listed classic vintage Coach handbag models.",
"photo 4: no Coach identifier or serial\/style number is visible.",
"photo 6: modern fashion-backpack design and smooth finished edges are more consistent with a contemporary generic bag than a vintage Coach classic."
],
"missing_information": [
"Interior view, including any leather creed patch, fabric label, or serial\/style tag.",
"Straight-on close-up photographs of all hardware, zipper pulls, and buckle stamps.",
"Bottom, corners, strap attachments, and full interior construction.",
"Confirmation whether the exterior is genuine leather, bonded leather, or synthetic material.",
"Seller-stated dimensions and a photograph of any brand marking or tag."
],
"authenticity_concerns": [
"No direct replica or transplanted Coach component is visible; however, the modern generic design has no visible Coach identifiers and should not be treated as Coach based on these photos."
],
"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 and photo 4: small gold-tone buckle\/adjuster hardware is visible on the shoulder strap; no Coach engraving or turnlock is visible.",
"leather_description": "photo 1 and photo 4: brown pebbled leather-like material with a relatively uniform finished surface; genuine leather is not verifiable from these staged exterior photos.",
"lining_description": "not_visible",
"strap_construction": "photo 2, photo 4, and photo 5: two adjustable backpack straps with buckles, plus a small top carry handle; strap interiors and attachment reinforcement are not shown closely.",
"stitching_description": "photo 1 and photo 4: visible perimeter stitching appears generally even; stress-point stitching and interior seams are not assessable."
},
"possible_model_reasoning": [
"The backpack silhouette, flap, side drawstring-style folds, and adjustable straps do not closely match the catalogued vintage Coach handbag models.",
"No readable identifier supports dating or a Coach model assignment.",
"Condition: visually Very Good based on clean exterior presentation and no obvious damage in the staged photos, but interior, bottom, odor, and functional hardware condition are unknown."
],
"confidence": 0.8,
"recommended_max_bid": 15,
"estimated_resale_low": 20,
"estimated_resale_high": 60
}
},
{
"model_name": "meta:muse-spark-1.3-contributor",
"result": {
"authenticity_concerns": [],
"authenticity_confidence": 0.03,
"coach_probability": 0.03,
"confidence": 0.7,
"estimated_era": "modern (2000s+), non-Coach",
"estimated_resale_high": 60,
"estimated_resale_low": 20,
"image_quality_score": 0.4,
"is_handbag_probability": 0.3,
"missing_information": [
"photo 1-6 are lifestyle worn shots only, no straight-on product views: request emptied front, back, sides, bottom and interior",
"creed patch straight-on in raking light not shown",
"interior lining, pockets and any fabric tags not shown",
"turnlock\/closure under flap, drawstring and hardware engravings not shown",
"hangtag both faces and chain not shown",
"strap attachments, buckle holes and hardware close-ups not shown",
"seller-stated dimensions and weight not provided"
],
"negative_evidence": [
"photo 1-6: no creed patch, COACH wordmark, horse-and-carriage or hangtag visible",
"photo 1-6: no turnlock visible; flap closure with no visible vintage brass turnlock geometry",
"photo 1-6: backpack silhouette, not a classic vintage Coach handbag silhouette with turnlock flap",
"photo 4: pebbled modern-appearing leather with gold-tone buckle, no solid-brass vintage hardware identifiers",
"photo 1-6: all images are lifestyle\/model-worn stock-style photos with no interior, bottom, or detail views to verify maker"
],
"observed_features": {
"coach_wordmark_present": false,
"creed_present": false,
"creed_text": "not_visible",
"hangtag_present": false,
"hardware_description": "gold-tone buckle on backpack strap visible in photo 4; no turnlock, D-rings, zipper pulls or engravings legible; hardware detail not shown",
"leather_description": "photo 1-6: tan\/cognac brown pebbled leather with soft grain, appears uniform; no suede interior or glove-tanned patina visible",
"lining_description": "not_visible",
"serial_or_style_number": "not_visible",
"serial_or_style_number_present": false,
"stitching_description": "tone-matched stitching visible along side seam in photo 4 but no close-up to assess evenness or era; otherwise not_visible",
"strap_construction": "photo 2-5: dual backpack straps plus top handle, adjustable with buckle slider on strap; attachment and clip ends not shown",
"turnlock_present": false
},
"positive_evidence": [
"photo 1-6: leather backpack bag in tan, leather goods category where misidentified bags can occur"
],
"possible_model_reasoning": [
"No Coach identifier visible in any photo so no catalog match is supportable. Backpack form could be compared to Coach Daypack types only if interior creed\/hardware were shown. Condition: Like New to New appearance in lifestyle photos but not gradable without bottom, corners, interior and strap detail; lifestyle photos may be stock\/catalog images, not actual item condition."
],
"possible_models": [],
"recommended_max_bid": 15,
"seller_misidentification_probability": 0.03,
"vintage_probability": 0.05
}
}
],
"_usage": [
{
"model_name": "openai:gpt-5.6-luna",
"input_tokens": 22460,
"output_tokens": 867,
"total_tokens": 23327,
"estimated_cost_usd": 0.011065
},
{
"model_name": "meta:muse-spark-1.3-contributor",
"input_tokens": 23597,
"output_tokens": 1281,
"total_tokens": 24878,
"estimated_cost_usd": 0.005744
}
]
}
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.