SU
Union of Soviet Socialist Republics
1922 - 1991
Note: Many Soviet era plates issued after 1959 became invalid in the majority of post-Soviet republics nevertheless some of them may still be legally displayed on vehicles (mainly in Russia).
1947 - 1959, normal series, ЛЮ = LITHUANIA (Vilnius)
1959 - 1981, normal series, front, ЛИ = LITHUANIA (Vilnius)
1959 - 1981, normal series, rear, ЛЛ = LITHUANIA (Vilnius)
1959 - 1981, normal series, rear, ЛT = LATVIA (Riga)
1959 - 1981, special series for vehicles travelling abroad from tourist reasons (ТУР = tourist), front, black on white = either interim series or old plate in the new colours, centrally issued
1959 - 1981, trailer plate, ЛШ = LITHUANIA (Vilnius), ПРИЦЕП = trailer
1959 - 1981, agricultural tractor, ЮВ = LITHUANIA (Vilnius), tractor codes were different from those used on normal series plates, TP - P = tractor