Periodic Law 100th issue of Russia
Sheets:  |
Short desc: Periodic Law 100th
Issuer: Russia Date: 6/20/1969 Occasion: Periodic Law Number/Year: 100 Consists of 2 stamps: (See stamps as list) 6k d=Dmitri Mendeleev & formulas 30k car d=sheet All are perf=12 |
