Analog Science Fiction/Science Fact Vol. 89 #5 FN- 5.5 1972 Low Grade

Analog Science Fiction/Science Fact Vol. 89 #2 VG 1972 Low Grade

Analog Science Fiction/Science Fact Vol. 90 #1 FN 1972 Stock Image

Analog Science Fiction/Science Fact Vol. 89 #5 VF- 7.5 1972

Analog Science Fiction/Science Fact Vol. 74 #1 FN+ 6.5 1964

Analog Science Fiction/Science Fact Vol. 84 #1 FN+ 6.5 1969

Analog Science Fiction/Science Fact Vol. 89 #1 VG 4.0 1972 Stock Image Low Grade

Analog Science Fiction/Science Fact Vol. 81 #1 FN+ 6.5 1968