This is Figure 463-010 Han Solo in Hoth Parka

Star Wars Die Cast Micro Collection miniatures. These are the unpainted prototype variations of the figures from the 1982 playsets. Each figure is stamped with a 6 digit number the first 3 digits show the corresponding playset they belong to and the last 3 digits for the specific character of that playset. 

The playset numbers are as follows for reference;