Which preposition to use with rouleaux

of Occurrences 3%

One, and the largest, was filled with rouleaux of coin, packed as closely as possible.

before Occurrences 1%

To them heat and cold, the dog-star or twenty degrees below zero, make no difference while the croupier is there, with his rouleaux before him, capable of turning up the card.

Which preposition to use with  rouleaux