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SHOGUNATE COINAGE 1603-1867
MONETARY SYSTEM OF KEICHO 1601-
B
Y TOKUGAWA IEYASU



Keicho-Kodamagin 慶長小玉銀
Colloquial term is
Keicho-Mameitagin 慶長豆板銀
0.20Gold 79.19Silver 20.61Miscellaneous , Weighing money
Mint : Ginza

Minting period : 1601-1695
Validity period : 1601-1738
 
Chogin like / Uniface Spilling Silver / Uniface  
寶・常是 , 常是 Daikoku Twin Daikoku  
53.0mm×25.0mm / 51.8g 38.5mm×18.5mm / 24.5g  
     
Rarity
Mintage: 1,200,000 kan(貫) (About 4,500,000Kg)   In total with Keicho-Chogin
Most of Keicho-Gin have drained away to foreign countries.

 
Variety of Daikoku
Type 1
1.There is a dot between the bag & the left hand
2. Is a double line is vertical line of rice bag


Type 2
1.w/o dot
2.single line
 
 
Steelyard 銀秤( Gin-Bakari ) 
五代目神善四郎 Jin Zenshiro V
京都秤座 Kyoto 1710-1844


   
神善四郎 Jin Zenshiro
京都秤座 Kyoto 1820-1852

   
守随彦太郎 Syuzui Hikotaro
地方座





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MONETARY SYSTEM OF MEIWA 1765-
BY TANUMA OKITSUGU & KAWAI HISATAKA
SHOGUNATE COINAGE 1603-1867


Nisyu-No-Buban 貳朱之歩判
Colloquial term is Nanryo-Nishu-Ban 南鐐二朱判
0.9780Silver  ,  10.19g (二匁七分)
Mint : Ginza
Minting period : Maiwa Type 1772-1788
            Kansei Type 1800-1824
Validity period : 1772-1829
     
Meiwa-type Kansei-type Classification indefinite
28mm×17mm  10.15g 26mm×15mm  10.12g 26mm×16mm  10.34g
     
Rarity
Mintage: 47,464,000

Note
A sentence was written on the surface of Nanryo Nishu Ban "Eight coins of Nanryo can be exchanged with a koban of 1 ryo"
In 1772, Japan has become the gold standard de facto by issuing Nanryo-Nisyu-Ban.




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COUNTERMARKED COINAGE
Treaty of Amity and Commerce 1858


Ryome-Aratame-Gin 量目改銀 Hakodate Trade Silver
Ichi-Momme-Ichi-Fun 一匁一分  0.868Silver / 4.165g / ND (1859) Hakodate
Russia 20Kopeks 1858ФБ , Countermark “一一”
Countermarked “一一” as weight certification
 “一一” (一匁一分)
 一匁=3.75g , 一分=0.375g
 一匁一分 = 4.125g

 
Edge Center Slanted Reeding Left
Rarity Extremely Rare
Note KM- / JNDA-
17th NIHON COIN AUCTION Lot.1305



Aratame-San-Bu-Sada-Gin 改三分定銀 Ansei Trade Dollar
San-Bu 三分  0.903Silver / 27.07g / 38.90mm / N.D. (1860)
Mexican 8Reales MO.1856. G.F. , Countermark “ 改三分定 ” (Large)

Countermarks (Large)
1.           2.          3.          4.
1.改(Change)    2,3.三分(Face value)    4.定(Approval stamp)
 
Edge Ornamented
Rarity Scarce
Note KM101.3 / JNDA09-57



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