National Dog Week Charity Seals, 1937-56. Issued by the National Dog Week Association, Chicago, IL, USA. This collection is comprised of seals from 1937, 1938, 1939, 1940, 1941, 1942-3, 1944, 1945, 1946, 1947, 1948, 1950, 1951, 1952, 1955, 1956. All seals are with full gum, F, MNH.
