金きん銀ぎん複ふく本ほん位い制せい

Meanings

1

Economic term for a monetary system where both gold and silver are legal tender at a fixed ratio.

rank, grade, throne

制system, law, rule

金きん本ほん位い制せい
Gold standard; only gold is the monetary base, unlike bimetallism which uses both gold and silver.
銀ぎん本ほん位い制せい
Silver standard; only silver is the monetary base.

Compound of 金 (gold), 銀 (silver), 複 (dual), 本位 (standard), and 制 (system).