Page 98 - Charles Shreve - William H Gross United States 1847 Issue

A. British North America April 6, 1851 - June 30, 1851
1. Canada

MY 17, 1851 to New York, NY. e
40~ up to 2 oz. paid partially in stamps (20~) and pardy in cash (20~). 1/- portion for the Canadian Post Office.
The only post April6, 1851 combined rate paid partly by 10[! US stamps and Canadian currency

JU 8, 1851 to New York City, NY. e
The only recorded US-Canada mixed franking with all stamps cancelled in Canada
One of two recorded full covers from Canada with the first issue of both countries

The addmsee, David 5. Kenneqy, a lauyer, zvas the New York Ci!J agent for the Canadian Post Office and the link with Rawdon, Wright,
Hakh & Edson, the printm rif both the 184 7J and Canada 'Jjint stamps.