Larus fuscus fuscus C1SM 3cy, August 06-09 2002, Tampere, Finland (61.33N 24.59E).

A bird in 3cy ringed with a Finnish ring C1SM. The moult was arrested on P6, with P7-P10 old second generation. These outer primaries are brown and P10, albeit only second generation, shows a small mirror. Note the quite advanced upper-part coloration of this individual.

C1SM was ringed in Savonl, Finland (61.87N 28.91E); ringed as juvenile with growing outer primaries on July 08 2000.
Recorded at Tampere:
2002-07-07, 2002-07-09, 2002-07-12, 2002-07-13, 2002-07-14, 2002-07-16, 2002-07-19, 2002-07-20, 2002-07-25, 2002-07-28, 2002-08-02, 2002-08-03, 2002-08-04, 2002-08-06, 2002-08-07, 2002-08-08, 2002-08-09.
After August 09 2002, it wasn't seen again at Tampere dump despite intense visits and may have moved further south from that date on.