Donald Duck & Co #40/1974

In "Gullvasken," Langbein returns from the dentist only to discover his new filling acts like a radio receiver—picking up a distress signal from a fellow amateur radio operator named Mikke. When the signal leads to a mysterious location near the upper reaches of Rihnen, Donald and his friends set off on a mission to Mausenfell to help. Written by Vivi Aagaard and illustrated by Paul Murry, this 1974 adventure blends humor and curiosity with a touch of mystery, all wrapped in a cover by Antoni Gil-Bao.