Which preposition to use with pfennigs

for Occurrences 1%

Then they paid twenty-five pfennigs for their beer and went out, still silent,and the Ober bowed low and very respectfully.

of Occurrences 1%

The Agrarian, the great Junker of Prussia, not only will not make sacrifices, but stubbornly insists upon wringing every pfennig of misery money from the nation which has boasted to the world that its patriotism was unselfish and unrivalled.

Which preposition to use with  pfennigs