counter for flat objects (e.g. sheets of paper); (arch.) counter for positions or roles; (arch.) counter for food portions (now only gyōza and soba); counter for ranking level
Examples (4 in total)
私は銀貨をすうまい持っている。
I have several silver coins.
彼は硬貨をすうまい私のポケットにつっこんだ。
He thrust some coins into my pocket.
すうまいの古い硬貨の入った壷を見つけた。
I found a pot in which there were several old coins.