Entire from Gravenstein 3 September 1852 to Flensburg. Postage paid with a 4 RBS Ferslew printing plate I, cancelled with two strikes of mute 4-ring canceller and datestamped ANTIII-1 - GRAVENSTEIN. 3/9 1852 –, earliest date and one of only two recorded on letter with 4 RBS Ferslew.