SP FIRAC National Group

Wojtek SP3IK, SP3PWL (Club), Janek SP5DZC (SO5D)
SP5PDA (Club), Mariusz SP5XSL, Zbyszek SP6BBE
Dionizy SP6IEQ (3Z6M), Stanisław SP6JOE, Wilek SP8AJC
SP8YZZ (Club), Wacek SP9EWM, Henryk SP9JPA (3Z8Z)
Krzysztof SP9UPK, Piotr SQ3JPV (SN3B), SP9YFF (Club)
Piotr SQ6PZW, Mariusz SQ8JLF, Józek SQ9EJ

See QSL cards with railway motifs at:
http://www.firac.de/html/qsl-collection.html