U.S. & Worldwide Stamps & Postal History

1885 (20 Jan) registered cover from Yokohama to Halifax, Canada, franked with 2x10sen blue Old Koban (JSCA 85), one defective, tied by foreign mail crossroads cancels, endorsed "per City of Rio de Janeiro" at top, circular "Registered Yokohama Jan 20" and additional straight line Registered and framed "R" in violet, all on front, with San Francisco, Boston and St. John's transit and arrival pmks on back, fine cover, stated to be the earliest known usage of the "Registered Yokohama" postmark
Estimate: $500