Which preposition to use with nubbins

as Occurrences 1%

Den de debbil he fotch her a lady-apple, but she say she won't take no sich triflin' nubbins as dat to her husban', an' she took one bite ob it, an' frew it away.

of Occurrences 1%

He had big, faded blue eyes, a nubbin of a chin, wide, wondering ears, and frecklessuch brown blotches of freckles on his face and neck and hands, such a milky way of them across the bridge of his snub nose, that the boys called him "Mealy."

Which preposition to use with  nubbins