Latest captures:
635 at Trin Bahnhof, May 10
627 615 at Hinterrhein Bridge, May 10
622 at Pontresina station, Jan 25
631 at Pontresina station, Jan 25
Older captures:
626 at Disentis, Jul 8, 1997
611 at Davos, Sep 17, 2002
620 at Thusis RhB, May 20, 2009