Canada #373 (SG#499) 5c Black 1957 Mining Congress Issue Addressed First Day Cover SUP-97

A superb example of the 5c black 1957 6th Commonwealth Mining and Metallurgical Congress Issue First Day Cover. No cachet. The stamp is tied by a crisp strike of an Ottawa wavy line first day cancel. The cover offered here grades SUP-97 as follows:

Intactness of the cover: 25/25

Paper freshness from the front: 25/25

Paper freshness from the back: 10/10

Condition of the paper and edges: 15/15

Appearance of the handwriting: 4/5

Clarity of the postal markings: 15/15

Condition of the stamps: 3/5

Unitrade lists a Rosecraft or Artcraft cachet cover for $3.