This is a paid asset, but now you can download Currency coins Free.
Detail this asset from Unity Store: Original Link
Currency coins v1.0
A set of 15 stylized hand-drawn currency coins – Dollar Coin, Pound Sterling coin, Euro coin, Ruble coin, Hryvnia coin, Yuán coin, Tenge coin, Baht coin, Ruppe coin, Pesso coin, Womn coin, Naira coin, Dông coin, Sheqel coin, Generic currency symbol. +9 bonus -skull, star and question mark coins (gold, silver and bronze) All icons are of high quality. A good choice for any modern games. All icons have a transparent background, so you can place it on any surface you need.
– 24 high quality coins – each icon has 2 different views 256X256px (PNG)
– 48 icons in total;
– All Icons have transparent background.