Every year the supplement European capitals Riga appears, this contains sheets of colored and illustrated paper of extra heavy paper (200 grs.) and plasticizer free mounts.
Here you can store the stamps issued in the previous year.
On all sheets there are frames where you can put the stamps, usually with a picture of the stamp itself. On all these frames are transparent mounts to safely place your stamps in.
The Supplement European capitals Riga contains the year 2015.
The content consists of 2 pages; 2012-1 (titelblad), 2012-2 (Copenhagen).