Page 110 - Charles Shreve - William H Gross United States 1847 Issue

A. British North America Nova Scotia
2. Maritime Provinces and Newfoundland Retaliatory Rate

One of two recorded "Retaliatory Rate, covers to British North America

The cover below illustrates the "Retaliatory Rate", from June 27, 1848 - January 3, 1849, when the US required
prepayment of both domestic and ocean postage on letters carried by either American or British mail packets. This was
in retaliation for the British practice of charging 1/- ocean postage on letters sent by American packet.

AU 22, 1848 to Halifax, NS (August 25).
The letter entered the mails by being handed to the route agent on the Baltimore railroad. 1W paid the
domestic postage> 300 miles to the Port of Boston. The remaining 25r- overpaid 1r- prepaid the 24r
ocean postage to Halifax via the Cunard Lines Acadia which left Boston August 23. In addition, the
British packet rate of 1/- (24r) was collected from the addressee for a total of 59r postage.