Episode 55 of The Trigan Empire
The Ultimate Collection
aka The Millionaire
De verzameling van Lipka (Dutch title)
Lipka’s Collection (Dutch title, translated)
Written by Mike Butterworth
Illustrated by Don Lawrence
The Ultimate Collection was originally published in 8 instalments in issues 724 (29 November 1975) to 731 (17 January 1976) of Look and Learn magazine.
It is reprinted in Volume 12 of The Trigan Empire—The Collection (the Don Lawrence Collection).
Plot summary (Dutch)
MediaFire via British Comics Compilations