STYLIZED YACHT + SUMMER OLYMPIC 1972

[aukepalmhof]

The sailing yacht depict on this stamp has not a sail emblem and I can’t give a class, she is a stylized yacht.
The Olympic sailing took place in Kiel in 1972, of this sailing Wikipedia gives as follows

Sailing/Yachting is an Olympic sport starting from the Games of the 1st Olympiad (1896 Olympics in Athens, Greece). With the exception of 1904 and the canceled 1916 Summer Olympics, sailing has always been included on the Olympic schedule. The Sailing program of 1972 consisted of a total of six sailing classes (disciplines). For each class seven races were scheduled from 29 August 1972 to 8 September 1972 of the coast of Kiel-Schilksee in the Bay of Kiel. Kiel hosted the Olympic sailing competitions for the second time, having previously done so during the 1936 Summer Olympics. The sailing was done on the triangular type Olympic courses.

Germany 1972 25pf + 10pf sg 1622, scott?