4c, 1852 3d Red, Ribbed paper,  well margined vertical pair tied on cover front by 4-ring "21" (Montreal) cancels with an accompanying Montreal AP 14 1858 cds at LL, addressed to Portland, Me (US) bottom stamp creased, o/w Very Fine; ex-Richardson, Hackmey

CV. 400-500

2, 1851 6d Slate violet, two slightly overlapping singles (one with left margin) on 1852 folded letter to NY City, cancelled by light targets with two-line red "CANADA / PAID 10 Cts." (later re-rated with ms "20" at US border), red St. Catherines Oct 15 1852 cds, backstamped Queenstown, each stamp well margined but creased, a Fine use; 2013 Greene Foundation certificate

CV. 1,200-1,800

1912 Titanic Postcard Mailed 10 Days After Ship Sank, quasi-real photo card showing nearly full view of the ship and captioned with date ship was lost, close inspection shows that the ship on the card was actually its sister ship and the name was altered so "souvenir" cards could be quickly distributed, back side franked with 1c Green Admiral tied by Toronto Apr 25 1912 machine cancel, Fine 

CV. 250-300