Collecting the KGV Penny Violet & Green Varieties – Part 4 – By Dr Scott Starling (ASP V11N3)

Following his coverage of flaws and varieties in the left plate panes (I to IV), Dr Scott Starling now launches, with his characteristic expertise, into an impressive roundup of the blemished stamps of the panes on the right plate…

For the full article, refer to V11N3.