|Note_en=for an agreement with Australian governement of march 1951, and then references to last october so we assume around a two year gap, and we use the date of an identical one found on a magazine. Published also on ''Tempo'', year XIV, N. 49 (1952-11-29). Advertising for the [[Pen-Co 53]]. | |Note_en=for an agreement with Australian governement of march 1951, and then references to last october so we assume around a two year gap, and we use the date of an identical one found on a magazine. Published also on ''Tempo'', year XIV, N. 49 (1952-11-29). Advertising for the [[Pen-Co 53]]. |