Dr. Leonard Kapiloff (March 1, 1915 – November 25, 1993), of Maryland, was a philatelist recognized for his collecting of United States postage stamps issued prior to 1900.
Dr. Leonard Kapiloff (March 1, 1915 – November 25, 1993), of Maryland, was a philatelist recognized for his collecting of United States postage stamps issued prior to 1900. (en)
Dr. Leonard Kapiloff (March 1, 1915 – November 25, 1993), of Maryland, was a philatelist recognized for his collecting of United States postage stamps issued prior to 1900. (en)