red datestamp with matching "Paid 60" rate handstamp (Clarke 593) on cover to Tübingen, Wurttemberg, red "N. York Am. Pkt. 14 Paid March 20" exchange datestamp, carried on Ocean Line's Hermann to Bremen via Southampton, red boxed "Aachen 10/4 Franco", very fine, just two examples of this handstamp recorded paying double the rate via Prussian Closed Mail