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World Telecommunications Day

Laos

18 Jan 1979

stamps in set 2

stamps in set about computers: 2 / 2

ID# 654	Format SH Face v.30 Perf.12½ x 11½ Print.Lithography Category
ID# 655	Format SH Face v.250 Perf.12½ x 12½ Print.Lithography 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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