Canada #CE3-CE4 17c Airplane, 1946 Air Mail - Special Delivery Issue, 4 VFNH Singles Different Shades And Papers

4 VFNH singles of the 17c Airplane from the 1946 Air Mail - Special Delivery Issue different shades and papers. Includes:
-CE3 ultramarine on horizontal ribbed paper with streaky semi gloss cream gum.
-CE4 bright ultramarine on smooth paper with semi gloss yellowish cream gum.
-CE4 bright ultramarine on lightly ribbed paper with glossy cream gum.
-CE4 deep ultramarine on smooth paper with satin yellowish cream gum.

Unitrade values this at $45. The stamps offered here grades 75-80 as follows:

Centering/Margins: 45/70-50/70

Paper Freshness: 5/5

Colour: 5/5

Impression: 5/5

Absence of Visible Paper Flaws: 5/5

Perforations: 10/10