プルーフコインだろう
purūfukoindarō
1. Probably a proof coin.
Noun
#3179255
1. Probably a proof coin.
1. coin
2. token; slug
1. coin-operated locker
1. seems; I think
2. right?; don't you agree?
1. Probably okay.; It'll probably be alright.
1. of coin; coin's
1. With coins; By coin
1. Was a coin.
1. Of a coin locker; Relating to a coin locker
1. It is a coin.