▁at ▁West min ster ▁School , ▁London ▁Category : UK ▁MP s ▁ 1 8 1 8 – 1 8 2 0 ▁Category : UK ▁MP s ▁ 1 8 2 0 – 1 8 2 6 ▁Category : Wh ig ▁( B rit ish ▁political ▁party ) ▁MP s ▁for ▁Wel sh ▁constitu encies <0x0A> </s> ▁The ▁ ▁was ▁a ▁Japanese ▁coin ▁worth ▁one ▁t enth ▁of ▁a ▁Japanese ▁y en , ▁as ▁ 1 0 0 ▁sen ▁equ alled ▁ 1 ▁y en . ▁These ▁co ins ▁were ▁mint ed ▁from ▁the ▁late ▁ 1 9 th ▁century ▁up ▁until ▁the ▁end ▁of ▁World ▁War ▁II . ▁ ▁History ▁ ▁Ten ▁sen ▁co ins ▁were ▁first ▁mint ed ▁in ▁ 1 8 7 0 , ▁and ▁like ▁the ▁other ▁sen ▁co ins ▁were ▁made ▁for ▁international ▁convenience . ▁The ▁Japanese ▁government ▁bought ▁a ▁mint ▁in ▁Hong ▁Kong , ▁and ▁the ▁mach in ery ▁was ▁established ▁in ▁Os aka . ▁In ▁The ▁British ▁Al man ac ▁from ▁ 1 8 7 3 , ▁author ▁John ▁Crow dy ▁notes ▁that ▁the ▁Japanese ▁put ▁a ▁lot ▁more ▁thought ▁into ▁convenience ▁than ▁the ▁German ▁Empire . ▁These ▁co ins ▁were ▁mint ed ▁during ▁eight ▁periods ▁that ▁sp anned ▁three ▁different ▁imperial ▁er as . ▁Two ▁different ▁vari eties ▁were ▁produced ▁in ▁ 1 9 4 0 , ▁ 1 9 4 1 , ▁and ▁ 1 9 4 3 ▁when ▁the ▁coin ▁was ▁ultimately ▁reduced ▁in ▁size . ▁At ▁the ▁end ▁of ▁World ▁War ▁II