After a two year hiatus of no mint sets (1982-1983) mint sets were again produced. Issued in cello holders, each mint contributed one of each denomination. Each mint had it's own cello. The two cellos were combined and put into a manila envelope. Only one coin of each denomination was in each set. The Mint Sets from 1984-1998 are in multi colored envelopes, whereas prior years were white or manila.