(n.) A Dutch coin, and money of account, of the value of two cents, or about one penny sterling; hence, figuratively, anything of little worth.

C C-note Deutschmark G G-note Mark Reichsmark a continental a curse a damn a darn a hoot afghani anna bagatelle baht bauble bean bibelot bit brass farthing buck button cartwheel centavo centime century conto copper curio dime dollar dollar bill dong farce farthing feather fifty cents fig fin fish five cents five hundred dollars five-dollar bill five-hundred-dollar bill five-spot fiver fleabite florin folderol four bits franc fribble frippery frogskin gaud gewgaw gimcrack grand guilder gulden hair half G half a C half dollar half grand halfpenny hill of beans hundred-dollar bill iron man jest joke kickshaw kip knickknack knickknackery kopeck krona krone lira mill milreis minikin mockery molehill nickel penny peppercorn peseta picayune pie piece of eight pin pinch of snuff pinprick pistareen pound quarter rand rap red cent rial row of pins ruble rupee rush sawbuck shekel shilling shit silver dollar skin smacker snap sneeshing sol sou stiver straw ten cents ten-spot tenner thousand dollars thousand-dollar bill toy trifle trinket triviality tuppence twenty-dollar bill twenty-five cents two bits two cents two-dollar bill two-spot twopence whim-wham won yard yen