Tenpo gold and silver

Japanese: 天保金銀 - てんぽうきんぎん

Gold and silver coins minted in the Edo period from 1837 to 1843 (Tenpo 8 to 14). Following the Tenpo famine, prices soared and the shogunate was in financial trouble, so they were recoined to shore up finances. The quality of the Goryoban, Koban, Ichibukin, Chogin, Mameban, and Ichibugin coins were made worse than that of the Bunsei gold and silver coins, and the enormous profits from the recoinage (deme) were stockpiled for emergency use. The only exception was the Oban coins minted in 1838, which were of the same quality as the Keicho Oban.

Source : Heibonsha Encyclopedia About MyPedia Information

Japanese:

江戸時代，1837年―1843年（天保８年―14年）に鋳造された金銀貨。天保の大飢饉後の物価高騰，幕府財政破綻状況のもとで，財政補強のための改鋳。五両判・小判・一分金・丁銀・豆板銀・一分銀は文政(ぶんせい)金銀より品質を改悪し，莫大な改鋳益金（出目(でめ)）を非常用に備蓄した。なお1838年鋳造の大判のみは例外で，慶長大判と同品質。

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