United States Airmail Scott Catalog C6 Encapsulated Graded by PSE as 90

United States Airmail Scott Catalog C6 Encapsulated Graded by PSE as 90
United States Airmail Scott Catalog C6 Encapsulated Graded by PSE as 90

United States Airmail Scott Catalog C6 Encapsulated Graded by PSE as 90
Having the Back of the Book catalog number of C6. It has the Original Gum and has never been hinged. It is encapsulated by PSE (Professional Stamp Experts) and graded as a 90. The colors of the stamp is Carmine.
United States Airmail Scott Catalog C6 Encapsulated Graded by PSE as 90