Label Any Label Unslabbed Only CGC Only CBCS Only CGC & CBCS Only Min grade Any Grade Gem Mint (10.0) Mint (9.9) NM/M (9.8) NM+ (9.6) NM (9.4) NM- (9.2) VF/NM (9.0) VF+ (8.5) VF (8.0) VF- (7.5) F/VF (7.0) F+ (6.5) F (6.0) F- (5.5) VG/F (5.0) VG+ (4.5) VG (4.0) VG- (3.5) G/VG (3.0) G+ (2.5) G (2.0) G- (1.8) Fair/G (1.5) Fair (1.0) Poor (0.5) No Grade (NG) FILTER Worlds Unknown #1 VF- (7.5) Horror and Science Fiction stories $24.99 In Stock Add to Cart Worlds Unknown #2 VF (8.0) Horror and Science Fiction stories $19.99 In Stock Add to Cart Worlds Unknown #2 VF/NM (9.0) Horror and Science Fiction stories $29.99 In Stock Add to Cart Worlds Unknown #6 NM- (9.2) Based on the cult classic TV movie Killdozer! $39.99 In Stock Add to Cart