9/6/2018 4:00:28 PM UTC US NEWS FEEDS > ILLINOIS > No. 49 of 100 Jennies famously misprinted with an upside-down biplane was locked away in vaults for generations. The whereabouts of No. 66 remains unknown....News Feed: Illinois READ MORE > An Inverted Jenny Surfaces. The Flawed Stamp Had Not Been Seen Since 1918.