Indeed, the records of XADI cars were achieved on the salt lake Baskunchak in the 60s. Then the track worsened and the races stopped. In general, motorsport was a rarity in the USSR, but I personally saw similar cars at the training ground of Moscow Automobile and Highway University (MADI) in 1986.
Malaysia Vehicles made in Malaysia July 9, 2001 The stamp set depicts Perodua KANCIL, Proton TIARA, Perodua RUSA, Perodua KEMBARA, Proton GTi, TD 2000, Proton PUTRA, Inokom PERMAS, Perodua KENARI, Proton WAJA.
Singapore's August 23, 1970 Festival of Sports set of 4 stamps features high contrast, overlapping images meant to convey movement. The high value 50c stamp (S.G. #142) features historic formula racing cars.
On September 13, 1977 the DDR issued a set of five stamps showing items from the Dresden Transport Museum. The 25 pf stamp (Mi #2257) from this set depicts the "Phaenomobil" tricycle carriage/car of 1924. Pic shows car in Museum exhibit space.