The team of Amsterdam "De Dolfijn" winner of the 1954 Dutch National Championship. Seating L-R: Bubi Siegenthaler, Jan Thomsen, Ru Holtes. Standing L-R: Nico Knapen, Joop Adams, Herman Rademaher, Ab Fienee.Source: http://www.dedolfijn.com/
The team of Amsterdam "De Dolfijn" winner of the 1954 Dutch National Championship. Seating L-R: Bubi Siegenthaler, Jan Thomsen, Ru Holtes. Standing L-R: Nico Knapen, Joop Adams, Herman Rademaher, Ab Fienee.