The bottom marking on this piece isU.P.R.R. (Per Fowler, the pattern number changed to SG0400 in the late 1950s.).
UNION PACIFIC RAILROAD MATCHBOXES - VINTAGE - BE SPECIFIC, CALL UNION PACIFIC
Union Pacific Always Favorite Coaster Union Pacific Railroad
1955-56 Union Pacific Railroad UPRR Desk Calendar Be Specific Say Union Pacific
UNION PACIFIC 2003 CALENDAR BUILDING AMERICA UNION PACIFIC RAILROAD
