Sonnenfreunde Sonderheft No. 56 , titled FKK Jugend an sonnigen Stränden ("FKK Youth on Sunny Beaches"), is a vintage German naturist magazine published in . Publication Details Publisher: Richard Danehl's Verlag, based in Germany . Year of Release: 1954 .
Copies are occasionally available through collectors' sites and auction platforms: Sonnenfreunde Sonderheft No