These Ultra Monster illustrations by Toshio Okazaki are from 'The Return of Ultraman' sonosheet book (Volume 1) published by Elm in 1971.

Monster illustration by Toshio Okazaki --
Takkong, Ultraman, Twin Tail [+]

Monster illustration by Toshio Okazaki --
Zazahn, Sadora [+]

Monster illustration by Toshio Okazaki --
Kingsaurus III, Alien Zarab, Geronimon [+]

Monster illustration by Toshio Okazaki --
Jirass, MAT Arrow 1, MAT Arrow 2 [+]

Monster illustration by Toshio Okazaki --
Gorbagos, Suflan, Kiyla [+]

Monster illustration by Toshio Okazaki --
Keronia, Dada, Shugaron [+]

Monster illustration by Toshio Okazaki --
Mognezun, Kemular [+]

Monster illustration by Toshio Okazaki --
Seagoras, Seabozu, Dodongo [+]

Monster illustration by Toshio Okazaki --
Dorako, Ultraman, Gomora [+]

Monster illustration by Toshio Okazaki --
Skydon, Earthtron, MAT Arrow 2 [+]

Monster illustration by Toshio Okazaki --
Dangar, Gabora, Gyango, Alien Baltan [+]

Monster illustration by Toshio Okazaki --
Antlar, Pigmon, Gudon [+]

Monster illustration by Toshio Okazaki --
Pestar, Ultraman, Gabadon, Alien Zarab [+]

Monster illustration by Toshio Okazaki --
Detton, Zambolar, Telesdon [+]

Monster illustration by Toshio Okazaki --
Gamakujira, Stegon, MAT Vehicle, Kanegon [+]

Monster illustration by Toshio Okazaki --
Alien Mephilas, Hydra, Jamila, Ultraman [+]

Monster illustration by Toshio Okazaki --
Gesura, MAT Sub [+]

[More: Ultra Monster paintings by Toshio Okazaki]