Sad Sack Jumbo Edition (Rosnock Publications, 1975) has been grouped as part of a series of titles with continued numbering.
From December 1965, Magazine Management comics were published as one-shot issues with 'catalog numbers' on the cover, rather than individual titles in sequentially numbered series.
Magman's Giant/Jumbo editons ran through several series restarting at '01' or '001':
1965-1966 series: 35 and 36 prefixes.
1967-1970 series: 37, 38, 39 and 40 prefixes.
1971 '11' series: 11 prefixes.
1971-1974 series: 41, 42, 43 and 44 prefixes.
1975 series: 45 prefix.
1976 series: 46 prefix.
1978 series: 48 prefix.
1979 series: 49 prefix.
1982-1984 series: R22, R23 and R24 prefixes.
1985 series: R25 prefix.
There were no comics published with codes for 1977. Magman Giants include a brief series with '11' prefixes that don't fit the overall pattern.
The prefixes provide a guide to the year of publication, although some issues were released late the previous year for sale in the year shown in the prefix.
Magman published distinct runs of catalog numbers for Standard, Top Comics, Pocket 'Picture Stories', Pocket Romance, Giant/Jumbo and Rebound editions.
Series
1.
Casper Jumbo Edition
Rosnock Publications
#45001 ([1975?])
2.
Ripley's Believe It or Not! True Ghost Stories
Magazine Management
#45003 ([1975])
3.
Gunfire Jumbo Edition
South Pacific Publications Limited and Jubilee Publications
#45004 ([1975?])
4.
Playtime Jumbo Edition
Magazine Management
#45005 ([1975])
5.
Terry Toons Big Book of Comics Jumbo Edition
Rosnock Publications
#45006 (1975)
6.
Popular Funnies Jumbo Edition
Magazine Management
#45007 ([1975?])
7.
Beep Beep the Road Runner Jumbo Edition
Magazine Management
#45008 (1975)
8.
Heroes of the West Jumbo Edition
South Pacific Publications Limited and Jubilee Publications
#45009 ([1975])
9.
Walter Lantz Woody Woodpecker Giant Edition
Magazine Management
#45011 (1975)
10.
Bugs Bunny Jumbo Edition
Magazine Management
#45012 ([1975?])
11.
Battle Stations Jumbo Edition
South Pacific Publications Limited and Jubilee Publications
#45013 ([June 1975])
12.
Spooky Jumbo Edition
South Pacific Publications Limited and Rosnock Publications
#45014 ([1975])
13.
Pictorial Romances Jumbo Edition
South Pacific Publications Limited and Rosnock Publications
#45016 (1975)
14.
Jumbo
South Pacific Publications Limited and Rosnock Publications
#45017 ([July 1975])
15.
Tweety and Sylvester
Rosnock Pty. Ltd.
#45020 (1975)
16.
Heckle and Jeckle Jumbo Edition
Magazine Management
#45021 ([1975?])
17.
Straight Arrow Jumbo Edition
Jubilee Publications
#45022 (1975)
18.
Funny Favourites Jumbo Edition
Magazine Management
#45023 ([1975])
19.
Mighty Mouse Jumbo Edition
Rosnock Publications
#45024 ([1975])
20.
Popular Funnies Jumbo Edition
South Pacific Publications Limited and Rosnock Publications
#45025 ([August 1975])
21.
Casper the Friendly Ghost Jumbo Edition
Rosnock Pty. Ltd.
#45026 ([1975?])
22.
Gunfire Jumbo Edition
South Pacific Publications Limited and Jubilee Publications
#45028 ([August 1975])
23.
Heroes of the West Jumbo Edition
Jubilee Publications
#45029 ([1975])
24.
Bugs Bunny Jumbo Edition
South Pacific Publications Limited and Rosnock Publications
#45030 ([September 1975])
25.
Playtime Jumbo Edition
Magazine Management
#45031 ([1975])
26.
Terry Toons Big Book Jumbo Edition
South Pacific Publications Limited and Jubilee Publications
#45032 ([October 1975])
27.
Walter Lantz Woody Woodpecker Jumbo Edition
South Pacific Publications Limited and Rosnock Publications
#45033 ([1975])
28.
Daffy Duck Jumbo Edition
Rosnock Publications
#45036 (1975)
29.
Battle Stations Jumbo Edition
South Pacific Publications Limited and Jubilee Publications
#45037 (1975)
30.
Spooky the Tuff Little Ghost
Rosnock Publications
#45038 ([1975])
31.
Pictorial Romances Jumbo Edition
South Pacific Publications Limited and Jubilee Publications
#45039 ([September 1975])
32.
Jumbo
Rosnock Publications
#45040 (1975)
33.
Popular Funnies Jumbo Edition
South Pacific Publications Limited and Rosnock Publications
#45041 ([1975])
34.
Junior Funnies Jumbo Edition
Rosnock Publications
#45042 (1975)
35.
Tweety and Sylvester Jumbo Edition
Magazine Management
#45043 ([1975?])
36.
Bugs Bunny Jumbo Edition
Rosnock Publications
#45044 (1975)
37.
Straight Arrow Jumbo Edition
Jubilee Publications
#45045 ([May 1975])
38.
Funny Favourites Jumbo Edition
South Pacific Publications Limited and Jubilee Publications
#45046 ([1975])
39.
Funny Favourites Jumbo Edition
South Pacific Publications Limited and Jubilee Publications
#45046 ? ([1975])
40.
Mighty Mouse Jumbo Edition
Magazine Management
#45047 (1975)
41.
Ripley's Believe It or Not! True Ghost Stories Jumbo Edition
Magazine Management
#45048 (1975)
42.
Casper Jumbo Edition
Magazine Management
#45049 (1975)
43.
Sad Sack Jumbo Edition
Rosnock Publications
#45050 (1975)