a. b.
  
   
 

70th Anniversary of the Prague Conference of Russian Social-Democrat Workers´ Party (2 blocks)
   

(Czechoslovakia   1982-01-18)
   
   

 
Item Catalog number Issue description Size Perf. Print run
Czechoslovakia Michel Scott

 
a. A2520 bl46 2392a
b. PL2520 162,000
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