noun
Dated term for money, now mostly replaced by お金 or 金銭. Still encountered in historical contexts or older texts.
江戸時代には、金子のやり取りは大変厳重に行われた。
In the Edo period, the handling of money was carried out very strictly.
noun
Specifically refers to gold coins, especially in historical or numismatic contexts. Dated; modern Japanese uses 金貨.
この博物館には、昔の金子が展示されている。
Old gold coins are on display at this museum.