New York: Minkus, Quarto, hardbound with three metal rings within, plus loose punched pages from the Airmails 1918 - Date book. Many unused blocks of stamps inserted into glassine sheaths, the Vol. 3 is about 90% complete. Altogether there are nearly 200 unused blocks of four stamps. Book is very good with original (torn) dust jacket. RARE to find so thoroughly filled in. Philately. Very Good / very good.