▁ 3 0 0 0 ▁“ letter ▁far ms ”. ▁World ▁War ▁II ▁and ▁the ▁Soviet ▁deport ations ▁inf lic ted ▁great ▁dam ages ▁to ▁the ▁well - develop ed ▁postal ▁network ▁of ▁Est onia , ▁but ▁the ▁organization ▁cons cient iously ▁continued ▁its ▁every day ▁work ; ▁although ▁short ▁p aus es ▁occurred ▁in ▁the ▁areas ▁of ▁immediate ▁host ilities . ▁ ▁St amps ▁ ▁From ▁its ▁renew ed ▁existence ▁in ▁ 1 9 9 1 , ▁E esti ▁Post , ▁since ▁ 2 0 1 4 ▁also ▁known ▁as ▁Om n iva , ▁issued ▁an ▁average ▁of ▁ 2 5 ▁to ▁ 3 0 ▁different ▁st amps , ▁sou venir ▁sheets ▁and ▁book lets ▁a ▁year , ▁with ▁an ▁annual ▁total ▁face ▁value ▁r anging ▁from ▁about ▁ten ▁( until ▁ 2 0 0 9 ) ▁to ▁twenty ▁eu ros ▁( 2 0 1 0 ▁and ▁on wards ). ▁The ▁most ▁popular ▁them es , ▁such ▁as ▁l ighth ouses , ▁man or ▁h alls ▁as ▁architect ural ▁monuments , ▁folk ▁cost umes , ▁Est onian ▁birds , ▁animals , ▁as ▁well ▁as ▁Christmas ▁st amps ▁became ▁established ▁over ▁time ▁and ▁run ▁into ▁long ▁series ▁issued ▁over ▁several ▁years . ▁Prom inent ▁among ▁the ▁sports ▁st amps ▁they ▁issued , ▁were ▁those ▁featuring ▁Est onian ▁Olympic ▁gold ▁medal ▁w inners . ▁ ▁In ▁addition ▁to ▁definit ives ▁and ▁them atic ▁sets , ▁E esti ▁Post ▁issued ▁First ▁Day ▁Co vers ▁and ▁cards , ▁maximum ▁cards ▁and ▁provided ▁special ▁can cell ations