The exceptional balance of the Dubois” collection of important pre-stamp covers and postal markin (Image)

E. $ 5,000-7,500

British captain’s eyewitness account of the Battle of Trois-Rivieres during the American Revoluti (Image)

E. $ 5,000-7,500

A firsthand account by Captain Wight of British troop movements, accompanied by an additional enc (Image)

E. $ 5,000-7,500

1776 folded letter from a British soldier during the Revolutionary War, pursuing the Continental (Image)

E. $ 4,000-5,000

The only known overseas use of the rare MONTREAL.PAID.” boxed handstamp, from a British so (Image)

E. $ 2,000-3,000

Scarce combination of Montreal, Quebec and SHIP-LRE” markings on cover to London

(Image)

E. $ 1,000-1,500

Attractive and early Niagara marking on folded cover to London via Halifax

(Niagara t (Image)

E. $ 1,000-1,500

Scarce Quebec split-circle datestamp on Packet Letter to London

(Quebec to London, En (Image)

E. $ 400-500

Bold Quebec two-line handstamp to London--the only example of this type we have encountered

(Image)

E. $ 400-500

Well-struck Ship Letter” crown oval handstamps from Quebec and Greenock on a letter sent during t (Image)

E. $ 750-1,000

British Packet Mail from Quebec via John Jacob Astor Forwarding Agent in New York

(Qu (Image)

E. $ 400-500

By far the earliest of the five recorded examples of the Ship Lre Montreal” crown handstamp

(Image)

E. $ 1,500-2,000

Perfect strike of the Ship Letter Quebec” crown oval handstamp

(Quebec to Guernsey, O (Image)

E. $ 750-1,000

Early cross-border mail in Niagara addressed to Joseph-Genevieve de Puisaye

(Niagara (Image)

E. $ 300-400

A scarce transatlantic folded cover sent during the War of 1812

(York to London, Engl (Image)

E. $ 500-750

Letter from Canada to England, in care of T. W. Moore, New York packet forwarding agent

(Image)

E. $ 200-300

Rare Grimsby datestamp on winter-delayed Halifax Packet mail

(Grimsby, Upper Canada t (Image)

E. $ 500-750

Paid to New-York” straightline applied by U.S. Agent in Niagara

(Niagara to London, E (Image)

E. $ 750-1,000

Montreal to Scotland via New York with John Wilkes forwarding agent’s notation

(Montr (Image)

E. $ 300-400

Arguably the finest strike of the scarce Ship Letter Montreal” crown oval handstamp

( (Image)

E. $ 750-1,000

Rare Paid to New-York” straightline applied by U.S. Agent in Niagara

(Niagara (Image)

E. $ 500-750

The earliest recorded example of the rare SHIPTON” straightline

(Shipton to Lo (Image)

E. $ 500-750

Cross-border letter from Stanstead to London via Derby Vt. and New York

(Stanstead to (Image)

E. $ 500-750

Pair of Sewell Brothers correspondence covers between Quebec and England

(Quebec to L (Image)

E. $ 300-400

Discovery example of the rimless red Ship Lre Montreal” crown oval

(Montreal to Reiga (Image)

E. $ 1,500-2,000