Emblem of Northeastern Defense District in Estonia.
http://www.mil.ee/im/sumboolika/cdr/tapavok.cdr
http://picasaweb.google.com/DeltaFly81/EestiEmbleemid#5183825688373772658
http://picasaweb.google.com/tarmoaasmae/KVEmbleemid#5341306638365539490
Unknown; Quibik (talk)