Whilst the indicia is undated, it must be contemporary with the newsstand edition of Science Comics (Export Publications, 1951 edition) #1 (March 1951), which has a promotion for Captain Hobby on its back cover.
Published in Canada, this comic was distributed in both Canada and USA.
Issue # | Volume | Publication Date | Pages | Content Items |
#1 1/1 | none | February 1951 | 36 | 12 (4 stories, 1 cover) |