Lot 151 Northern Nigeria SG #15 6d Deep Dull Purple & Violet King Edward VII, 1902-1904 Imperium Keyplates Issue With Crown CA Wmk, A VFNH Single Probably The December 1902 Printing

A VFNH single of the 6d deep dull purple & violet King Edward VII from the 1902-1904 Imperium Keyplates Issue With Crown CA Wmk probably the December 1902 printing. According to McCaig there were 64,320 stamps issued across 3 printings.
The three printings were made in April 28, 1902, Dec. 18, 1902 (no 2/6d or 10/-) and Jan. 16, 1903

Our estimated value is $50. Gibbons Cat. Value £20 for hinged The stamp offered here grades 75 as follows:

Centering/Margins: 45/70

Paper Freshness: 5/5

Colour: 5/5

Impression: 5/5

Absence of Visible Paper Flaws: 5/5

Perforations: 10/10