Heinrich Köhler 384 Auction – Day 6 Country Collections: Europe: Russia – Yugoslavia, Overseas Collections and Lots: General collections All World

1966/2016 assembly of mint ZIP Code blocks of four, comprising one stock book, significant part of the continuous series, never hinged condition, additionally a selection of newer blocks of four, noted variety of imperf. blocks of four on three of the birds series Scott 4991-4995, a superb lot.