Sam Singer
Sam Singer is credited as cover artist on 39 issues, penciller on 28 issues and inker on 28 issues in grailworth's catalog, 4 issues of them across 4 series we value.
Every issue
Four Favorites (1941) 1 issue
Giggle Comics (1943) 1 issue
Hap Hazard Comics (1944) 1 issue
Scream Comics (1944) 1 issue
Credits from the Grand Comics Database, CC BY-SA 4.0.