Wiktionary
frogskin
n. 1 the skin of a frog, or leather made therefrom 2 a greenback, a United States dollar
Usage examples of "frogskin".
The mud of the pool-rim, shiny and black as frogskin, mottled his body.
The item, when unfolded, appeared to be a large sack made of a soft, silvery fabric, smooth as frogskin, seamless, and with no sign of a weave that the Wind-Sprite could detect.
He watched her with the careful eye of a man who has a cross section of frogskin under a microscope.
She held it under the falls, feeling it squirm weakly beneath her hands, suddenly slick as frogskin and as cold.