"Neil Christian & The Crusaders" are only mentioned on the labels.
Ed. Belmont
There are (at least) four slightly different german issues, all dating from 1966.
This version has a Strike label design that has the '45' written in BLUE letters and the backcover adverts start with Udo Jürgens (top left) and run to Billy Stewart (lower right).
Barcodes
Rights Society: GEMA
Matrix / Runout (Runout [stamped] side A): PÜ 14599 A-1
Matrix / Runout (Runout [stamped] side B): PÜ 14599 B-1