A Hamano school tsuba
By Masanobu, Edo period (19th century)
The oval copper plate decorated with a tiger taking shelter from the rain in a bamboo grove, the reverse with a stream and rock, all in iroe takazogan, hirazogan, kebori and shishiaibori, fitted with a shakudo rim, signed Nanjusan o Otsuryuken Masanobu (Otsuryuken Masanobu, old man of 73)
3 1/4in (8.3cm) high

source: https://www.bonhams.com/auctions/22248/lot/1215/

bamboo tiger water