Designer unknown. Released sometime between VGC’s 1973 and 1976 catalogs. 5 styles (Light, Regular, Heavy, Condensed, Outline), each with an obliqued Italic.
Various incomplete digitizations: Regular as Invers SF or Inverserif (1990 Brendel Informatik/SoftMaker/Broderbund); Heavy Italic as OPTI Iambic (1990-1991 Castcraft), Speedway (1990–1992 FontBank), Steamer or Concorde (1994 Brendel), Galaxy (1986–1995 SWFTE). [Tecnotronic]