Amazing Stories Pulp Vol. 31 #12 FN+ 6.5 1957. Grade FN+ 6.5. December 1957. Cover by Virgil Finlay. "The Machine That Saved the World" by Murray Leinster. Interior illustrations by Finlay, Frosty, & Llewellyn.
Amazing Stories Pulp Vol. 6 #12 FN 1932
Amazing Stories Pulp Vol. 26 #4 VG+ 4.5 1952
Amazing Stories Pulp Vol. 22 #9 FN+ 6.5 1948
Amazing Stories Pulp Vol. 3 #6 VG 1928
Amazing Stories Pulp Vol. 26 #2 FN 1952
Amazing Stories Pulp Vol. 27 #6 VF+ 8.5 1953
