金貨 is read as きんか (kinka) and means gold coin.
きんか
kinka
きんかじゅんび
gold reserve
げんきんつうか
cash currency in circulation
がいかよきん
foreign currency deposit
こくさいつうかききん
International Monetary Fund
おうしゅうつうかききん
European Monetary Fund
きんがく
amount of money
きんこ
depository
きんぼし
dazzling victory
きんけん
gold certificate
きんじょう
golden castle (nickname for Nagoya Castle)
きんこう
gold mine
きんし
gold thread