1980 Italy Republic, booklet dedicated to engineer Enrico Forlanini, sold for the XXXIV Philatelic Convention in Milan, containing two blocks of no. 10 postage stamps of the ordinary series “Castles of Italy”, blocks reversed, 120 Lire Castello Estense and 10 Lire Castello Sforzesco. 1 booklet cancelled FDC (first day cover) “3-11-1980 CIRCUITO AEREO INTERNAZIONALE DI MILANO” perfect and well preserved. Unified Catalogue No. LR1a, Euro —.