1997 75th Anniversary Event Set SET X11 (Nentico (12A)) 1997 | (BBv6: X11) SET eX1997-1 (Nentico (12A)) 1997 | (BBv6: eX1997-1) SET eX1997-2 (Nentico (12A)) 1997 | (BBv6: eX1997-2) SET eX1997-3 (Nentico (12A)) 1997 | (BBv6: eX1997-3) SET eX1997-1 1997
