With only pocket change to spend in the 1950s, collector Charles Hack focused on acquiring stamps that few wanted: overprints churned out in Eastern Europe during World War I. As
Inverted Jenny stamp sells for more than $2 million at auction washingtonpost.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from washingtonpost.com Daily Mail and Mail on Sunday newspapers.