Canada #621iii (SG#760) 15c Multicoloured Queen Elizabeth II 1973 Royal Visit Issue"MF" Paper UR Plate Block on FDC F-67

A fine unaddressed first day cover of the 15c multicoloured Queen Elizabeth stamp from the 1973 Commonwealth Heads of Government Meeting Issue, also known as the 1973 Royal Visit Issue, printed on the scarce "MF" paper, with a plate 1 upper right block of 4 affixed. Comb perf. 12.5 x 12. Vertical wove paper with smooth chalk surfacing. Full, undamaged 4 mm OP-2 tagging that is clearly screened and which glows bright green under UV light. Under ultraviolet light, the paper gives the following readings:

The envelope stock itself is a dull fluorescent brownish colour. Unitrade does not list first day covers for any of the paper varieties. Generally the FDC's list for a premium over the price of mint stamps. A F-65 NH mint plate block lists at $7.50. A reasonable value for this cover would thus be $10. The cover offered here grades F-67 NH as follows:

Intactness of the cover: 25/25

Paper freshness from the front: 5/25 (small erasure marking to the left of the block)

Paper freshness from the back: 10/10

Condition of the paper and edges: 15/15

Appearance of the handwriting: 5/5 (unaddressed)

Clarity of the postal markings: 15/15

Condition of the stamps: 2/5 (one with pulled perf)

Adjustment for damage to lower left stamp: -10 points