Paste an eBay or Yahoo! Auctions Japan listing. We read what we know about it and hand back a clean link to buy.
Sealed finds first, then ranked by asking price against the estimated value. Only listings that carry a ranking appear in this order. Switch to Newest to see every listing.
Japanese Unagisaki Knife 鰻裂 210mm Masamoto Shohonten 正本総本店 kitchen knife
unagisaki · 210 mm · carbon
Asking
$179
Estimated worth
$190
1.1× the asking price · floor $167
estimated range
identified, moderate confidence
Expect patina within weeks on this bare carbon edge given the reactive steel finish. Fairly priced by the name's own market: Masamoto Sohonten runs about $190 by its researched range, and this asks $179.
KAI Seki Magoroku Japanese DEBA Knife ST 180mm AK-1103 F/S w/Tracking# Japan New
deba · 180 mm · stainless
Asking
$68
Estimated worth
$103
$82 with shipping
1.5× the asking price · floor $73
estimated range
identified, moderate confidence
Polished stainless steel resists corrosion well and requires minimal upkeep compared to traditional carbon alternatives. The gap runs in the buyer's favor: $68 asked, roughly $103 typical for Seki Magoroku across 10 comparable asks.
Seki Tsubazo Japanese Chef Knife Koideba 105mm White Wood Used
deba · 105 mm · carbon
Asking
$129
Estimated worth
$120
$154 with shipping
0.9× the asking price · floor $104
estimated range
identified, below our alert bar
Used carbon steel requires careful rust prevention and regular oiling despite its patina. The $129 asking sits close to the $120 that Kanetsune typically brings by its researched range.
Carbon steel requires prompt drying after food prep to prevent oxidation and staining on the primary bevel. This Masamoto Sohonten asks $237 where the name's market sits near $317 across 7 comparable asks.
Masamoto Sohonten Deba Knife 210mm 7 Sun Japanese Chef Knife Oval Handle/m14m
deba · 210 mm · carbon
Asking
$175
Estimated worth
$198
$211 with shipping
1.1× the asking price · floor $152
estimated range
maker taken from the listing title
Pitting and rust near the edge require abrasive thinning and flattening to restore proper bevel geometry. $175 lands within the normal $198 range for Masamoto Sohonten (per the title) across 7 comparable asks.
[NEW] Kai Seki MagorokuHekiju Stainless Yanagiba Sashimi Knife 210mm AK5077 Left
yanagiba · 210 mm · stainless
Asking
$76
Estimated worth
$82
$96 with shipping
1.1× the asking price · floor $78
estimated range
identified, moderate confidence
This left-handed single-bevel blade requires specialized sharpening techniques specific to left-hand orientation. Seki Magoroku at $76 is in line with its market, roughly $82 typical by its researched range.
Masamoto Sohonten Gyuto 270mm 9-Sun Chef Knife w/Box Used Traditional Japan
gyuto · 270 mm · carbon
Asking
$210
Estimated worth
$230
1.1× the asking price · floor $177
estimated range
identified, high confidence
Mono-steel carbon blades demand attentive drying after use to prevent oxidation but reward the user with effortless sharpening. This Masamoto Sohonten is priced where its market lives, $210 against a $230 typical by its researched range.
Honyaki construction means the blade is forged from a single piece of steel through differential hardening, yielding a demanding but exceptionally rigid edge. This Masamoto Sohonten (per the title) is priced where its market lives, $227 against a $238 typical by its researched range.
Masamoto Sohonten Usuba Japanese Vegetable Kitchen Knife 210mm Used
usuba · 210 mm · carbon
Asking
$145
Estimated worth
$176
$205 with shipping
1.2× the asking price · floor $134
7 comparable listings
identified, moderate confidence
Kasumi finish reveals the soft iron cladding line above the harder carbon steel edge during sharpening. The $145 asking sits close to the $176 that Masamoto Sohonten typically brings across 7 comparable asks.
Masamoto Sohonten Yanagiba Sashimi Knife 300mm 11.8" Tamashirogami Chef Japan
yanagiba · 300 mm · carbon
Asking
$249
Estimated worth
$250
$281 with shipping
1.0× the asking price · floor $184
14 comparable listings
identified, high confidence
Expect reactive carbon steel here to develop a protective patina quickly with regular use. Masamoto Sohonten at $249 is in line with its market, roughly $250 typical across 14 comparable asks.
Masamoto Sohonten Yanagiba 255mm White Steel No2 Hon Kasumi Sashimi Chef Knife
yanagiba · 255 mm · shirogami
Asking
$260
Estimated worth
$231
0.9× the asking price · floor $154
13 comparable listings
identified, moderate confidence
Shirogami reacts quickly to form a stable patina while delivering extreme edge sharpness. Masamoto Sohonten at $260 is in line with its market, roughly $231 typical across 13 comparable asks.
Masamoto Sohonten Gyuto 270mm Chef Knife w/ Box Used Japan
gyuto · 270 mm · carbon
Asking
$206
Estimated worth
$201
$244 with shipping
1.0× the asking price · floor $160
5 comparable listings
identified, moderate confidence
Expect active patina formation on this carbon steel blade during initial use unless carefully maintained and dried immediately. $206 lands within the normal $201 range for Masamoto Sohonten across 5 comparable asks.
Masamoto Sohonten Yanagiba Sashimi Japanese Kitchen Knife 255mm Sharpened
yanagiba · 255 mm · carbon
Asking
$210
Estimated worth
$226
$290 with shipping
1.1× the asking price · floor $167
13 comparable listings
identified, moderate confidence
Kasumi finish reveals the soft iron cladding line above the harder carbon steel edge during sharpening. $210 lands within the normal $226 range for Masamoto Sohonten across 13 comparable asks.
Japanese Gyuto Knife 300mm Masahiro 正広 日本鋼 kitchen knife
gyuto · 300 mm · carbon
Asking
$115
Estimated worth
$63
0.5× the asking price · floor $60
estimated range
maker taken from the listing title
Heavy use and extensive thinning over a long service life leave the blade profile altered near the heel. Typical money for Masahiro (per the title) is closer to $63 by its researched range, which makes $115 a rich ask.
Masamoto Sohonten Gyuto Chef Knife 205mm High Grade Japanese Kitchen Knife/m15m
gyuto · 205 mm · carbon
Asking
$175
Estimated worth
$165
$211 with shipping
~0.9× the asking price · floor $110
estimated range
maker taken from the listing title
Active rust on a carbon steel blade demands abrasive remediation before sharpening can resume properly. Fairly priced by the name's own market: Masamoto Sohonten (per the title) runs about $165 by its researched range, and this asks $175.
Seki Magoroku Hekiju ST AK-5073 Deba 150mm Left-Handed Kitchen Knife Japan
deba · 150 mm · stainless
Asking
$70
Estimated worth
$98
$118 with shipping
1.4× the asking price · floor $70
estimated range
identified, moderate confidence
Left-handed san-mai construction requires specific bevel orientation during sharpening to preserve performance. Seki Magoroku generally trades near $98 across 10 comparable asks; this listing wants $70.
Seki Magoroku Ibuki Kai Deba Japanese Knife 150mm 5.9" Stainless Sharpened
deba · 150 mm · stainless
Asking
$108
Estimated worth
$108
$133 with shipping
1.0× the asking price · floor $70
estimated range
identified, moderate confidence
Stainless san-mai construction offers corrosion resistance on the outer cladding while simplifying routine maintenance. This Seki Magoroku is priced where its market lives, $108 against a $108 typical across 10 comparable asks.
Surface oxidation near the tip will require localized abrasive cleanup before regular food prep begins. No real gap here; Masamoto Sohonten typically fetches $90 by its researched range and this lists at $85.
Traditional kasumi construction shows a distinct line where the soft iron cladding meets the hard carbon steel core along the bevel. Market rate, more or less: $73 asked against the $77 that Masamoto Sohonten usually sees across 7 comparable asks.
Expect reactive patina to develop quickly along the exposed carbon core road of this single bevel blade. The $60 asking sits close to the $62 that Seki Magoroku typically brings by its researched range.
A good condition carbon steel blade may show minor patina from prior use but remains structurally sound. This Masamoto Sohonten (per the title) asks $197 where the name's market sits near $318 across 7 comparable asks.
White Paper steel provides exceptional sharpness and ease of sharpening, but requires diligent drying to prevent active red rust. $299 lands within the normal $248 range for Masamoto Sohonten (per the title) across 13 comparable asks.
Active surface oxidation and pitting on the reverse side will require abrasive stone work to stabilize before regular food preparation. The $73 asking sits close to the $80 that Masamoto Sohonten typically brings across 8 comparable asks.
Patina formation will occur rapidly on this carbon steel edge, demanding diligent wiping and drying during prep sessions. $269 lands within the normal $248 range for Masamoto Sohonten across 14 comparable asks.
