princely
adjective humorous uk/ˈprɪns.li/ us/ˈprɪns.li/
the princely sum of （钱）可观的（反语，指钱少得出奇）
used to refer to a surprisingly small amount of money
She acquired the painting at a jumble sale for the princely sum of 25p. 她在旧货拍卖会上以25便士的巨款拍得此画。