This is AM’s 1/48 Yak-1b. It’s a very nice kit. Markings are Yugoslavian, from Lift here! Decals “Soviet Fighters in Yugoslavia, Part Two” (Y-48LH). Lift here! is out of Serbia and are available in the US from Linden Hill Imports. Pretty good decals. Printed by Begemont. Paints are Akan AMT-7/AMT-11/AMT-12, also from Linden Hill.