White Star Line "Celtic", New York - Queenstown January 23rd - February 1st 1875. One cent Postal Card (scarce pre UPU usage) posted at St. Louis, Missouri January 17th 1875 and prepaid the 2 cent treaty rate for Prussian closed bag using the card and 1873, 1¢ ultramarine. Atlantic Transit of 9 days, Very Fine. Scott No. 156+UX3  Estimate $150 - 200. $0 (Image)