Eastern Siberia - WWF Birds opt set of 20 values, each design opt'd on block of 4 Russian defs (total 80 stamps) unmounted mint

Name: Eastern Siberia - WWF Birds opt set of 20 values, each design opt'd on block of 4 Russian defs (total 80 stamps) unmounted mint
Brand: Avion Thematics
SKU: 8925
Price: 8.50 GBP
Availability: InStock