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Communist Party

Bulgaria

17 Mar 1986

stamps in set 3

stamps in set about computers: 2 / 3

ID# 104 click on stamp to zoom	Format SH Face v.8 Perf.13 x 13 Category
ID# 105 click on stamp to zoom	Format SH Note computer design- pixel Face v.13 Perf.13 x 13 Category

social

Formats abbreviations

SH sheet

SS souvenir sheet

MS mini sheet

ST se-tenant

TB tete beche

BK booklet

FDC first day cover

CL coil

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