Which preposition to use with kopecks

in Occurrences 1%

No; keep your kopecks in your pocket.

of Occurrences 1%

He will not give you a few kopecks of the millions of rubles that he possesses.

on Occurrences 1%

"See here, batuchka: if I take a ten-kopeck piece a month on each ruble, I ought to receive fifteen kopecks on a ruble and a half, the interest being payable in advance.

Which preposition to use with  kopecks