Collection: Products

139 products

  • [JK-053] Meiji 1 Shu Silver EF grade 1 Pack

    Detail Meiji 1 Shu: Purity 88.0%/ 1.88g Value 1. Shu Condition AU Year 1868~69 Control Number JK-053

    ¥7,000 JPY
    Sale price ¥7,000 JPY
  • Sold out

    [JK-043] Tempo 1 Bu Silver VF grade 15 Pack

    Detail Tempo 1 Bu: Purity 99.1%/ 8.66g Value 1 Bu Condition VF Year 1837~54 Control Number JK-054

    ¥45,000 JPY
    Sale price ¥45,000 JPY
  • Sold out

    [JK-055] Tempo 1 Bu Silver EF grade 9 Pack

    Detail Tempo 1 Bu: Purity 99.1%/ 8.66g Value 1 Bu Condition EF Year 1837~54 Control Number JK-054

    ¥36,000 JPY
    Sale price ¥36,000 JPY
  • Sold out

    [JK-056] Early Keicho Koban 1601-95 PCGS MS-62

      Detail ●Fine cuts on the obverse and the single mint-master stamp on the back, which is the characteristic of the Early type Keicho Koban. Later...

    ¥3,200,000 JPY
    Sale price ¥3,200,000 JPY
  • Sold out

    [JK-057] Kyoho Koban 1714-36 PCGS MS-61

    Detail ●Stunning piece! High purity gold coin from 300 hundred years ago! Kyoho Koban : Purity 86.1%/ 17.80g Gold Market Price in 2024/11/17 Melt Value: 218,699...

    ¥1,200,000 JPY
    Sale price ¥1,200,000 JPY
  • [JK-058] Tempo Koban 1837-58 PCGS AU-58

    Detail ●Tempo Koban is also one of the piece that extremely difficult to get a grade from PCGS. Tempo Era was almost the end of the...

    ¥700,000 JPY
    Sale price ¥700,000 JPY
  • [JK-059] Bunsei Koban 1819-28 PCGS AU-58

    Detail ●Second highest grade. Only one piece in higher grade. If any one had ever submitted Koban to the PCGS, you know it is extremely hard...

    ¥750,000 JPY
    Sale price ¥750,000 JPY
  • Sold out

    [JK-060] Top-Pop! Tempo Koban 1837-58 PCGS MS-61

    Detail ●No word is needed to explain how precious the coin is. Koban is a type of coin that extremely hard to get a number grading...

    ¥1,600,000 JPY
    Sale price ¥1,600,000 JPY
  • Sold out

    [JK-061] Tempo Koban 1837-58 11.2g UNC

    Detail ●If you ever purchased or look for a raw Koban, you should understand the preciousness of this piece! Most Koban existing today are full of bank-marks...

    ¥270,000 JPY
    Sale price ¥270,000 JPY
  • [JK-062] Bunsei Koban 1819-28 13.2g UNC

    Detail ●If you ever purchased or look for a raw Koban, you should understand the preciousness of this piece! Most Koban existing today are full of bank-marks...

    ¥290,000 JPY
    Sale price ¥290,000 JPY
  • [JK-063] Old 5 Yen Gold 1875 (M8) MS-66PL

    Detail ●Second highest grade in PCGS! Soon after the dies are made, first few strikes will be proof-like result because of it brand new and shiny...

    ¥3,200,000 JPY
    Sale price ¥3,200,000 JPY
  • [JK-064] Old 5 Yen Gold 1872 (M5) MS-67

    Detail ●Second highest grade in PCGS! Check out the stunning gold surface! It has been minted for over 100 years, yet it still retains its brilliant...

    ¥1,600,000 JPY
    Sale price ¥1,600,000 JPY
  • Sold out

    [JK-065] 10 Yen Gold 1909 (M42) MS-66+

    Detail Purity: 90%/ 8.33g Gold Market Price in 2024/11/17 Melt Value: 110,356 JPY Value 10 Yen Condition MS-66+ Year 1909 (M42) Control Number JK-065  

    ¥0 JPY
    Sale price ¥0 JPY
  • Sold out

    [JK-066] 100,000 Yen Memorial Gold Coin 1989 (H2)

    Detail Purity: 100%/ 30g Gold Market Price in 2024/11/17 Melt Value: 428,100 JPY Value 100,000 Yen Condition UNC Year 1989 (H2) Control Number JK-066  

    ¥0 JPY
    Sale price ¥0 JPY
  • [JK-067] Tenpo 2 Bu Gold MS-62

    Detail Gold Purity : 56.8% Weight: 2.8g Gold Market Price in 2025/8/11 27,867JPY/ per Piece Condition MS-62 Year 1837-58 Control Number/管理番号 JK-067

    ¥75,000 JPY
    Sale price ¥75,000 JPY
  • [JK-068] Tenpo 2 Bu Gold MS-63

    Detail Gold Purity : 56.8% Weight: 2.8g Gold Market Price in 2025/8/11 27,867JPY/ per Piece Condition MS-63 Year 1837-58 Control Number/管理番号 JK-068

    ¥80,000 JPY
    Sale price ¥80,000 JPY
  • [JK-069] Meiji 2 Bu Gold XF (10 pieces)

    Detail Gold Purity : 22.3% Gold Market Price in 2026/1/25 18,700JPY/ per Piece *Shipping will be either one of the package but both are same quality...

    ¥240,000 JPY
    Sale price ¥240,000 JPY
  • [JK-070] Meiji 2 Bu Gold XF-AU (10 pieces)

    Detail Gold Purity : 22.3% Gold Market Price in 2026/1/25 18,700JPY/ per Piece Condition XF-AU Year 1868-1869 Control Number/管理番号 JK-070

    ¥250,000 JPY
    Sale price ¥250,000 JPY
  • [JK-071] Meiji 2 Bu Gold AU or above (1 piece)

    Detail Weight: 3g Gold Purity : 22.3% Gold Market Price in 2026/1/25 18,700JPY/ per Piece*Shipping will be randomly picked from the package Condition AU or above...

    ¥28,000 JPY
    Sale price ¥28,000 JPY
  • Sold out

    [JK-072] Tempo Koban Gold

    Detail ●If you ever purchased or look for a raw Koban, you should understand the preciousness of this piece! Most Koban existing today are full of bank-marks...

    ¥220,000 JPY
    Sale price ¥220,000 JPY
  • [JK-073] Kyoho-Sado Koban Gold

    Detail ●This coin has long been referred to as a Sado Koban; however, modern numismatic research has clarified that it is not an originally struck Sado...

    ¥900,000 JPY
    Sale price ¥900,000 JPY
  • [JK-074] Genbun Koban Gold

    Detail ●Genbun Koban is a gold coin issued during the Genbun era (1736–1818) under the Tokugawa shogunate, forming part of Japan’s early modern gold currency system....

    ¥350,000 JPY
    Sale price ¥350,000 JPY
  • [JK-075] Bunsei Koban Gold

    Detail ●Bunsei Koban is a gold coin issued during the Bunsei era (1819–1828) in the late Edo period, under the Tokugawa shogunate. It represents one of...

    ¥290,000 JPY
    Sale price ¥290,000 JPY
  • [JK-076] Bunsei Koban Gold

    Detail ●Bunsei Koban is a gold coin issued during the Bunsei era (1819–1828) in the late Edo period, under the Tokugawa shogunate. It represents one of...

    ¥270,000 JPY
    Sale price ¥270,000 JPY