Russia 4154-4157

Russia 4154-4157, MNH, $2.00. Michel 4200, 4208, 4210, 4211. I.G.Piotrovsky, mathematician, rector of Moscow State University, 1973. A.A. Artsimovich, physician, academican. K.D. Ushinsky, teacher, writer. M.D. Millionschikov, vice president of Academy of Sciences. 1974. Blocks of 4 - buy 4 sets (1).