Produced in 1982, the Stormtroopers were part
of different Playsets, Death Star World and Bespin World. These are considered
unpainted First Shots or overstock figures that were never used prior to the
cancellation of the line in 1983. Each unpainted figure contains copyright
information (LFL 82 and numbers; 460 015, 517 019, 517 020, 460 017, 583 022
and 583 023). However, the font and placement of the information is smaller than the
Production version. The 460, 517 and 583 note the specific Playset they were included
with. Here is a great article concerning the Micro Collection line for Star Wars.