First Day Covers

National Education Association Centennial 1857-1957 First Day Cover

National Education Association Centennial 1857-1957 Block of Stamps First Day Cover

Honoring the American Flag Independence Day July 4th 1957 First Day Cover

HONORING THE AMERICAN FLAG Block of Stamps First Day Cover

350th Anniversary or First Seagoing Ship Built in America First Day Cover

Honoring Ramon Magsaysay First Day Cover

30c Special Delivery Stamp 1957 First Day Cover

200th Anniversary Lafayette First Day Cover

200th Anniversary Lafayette, born in Auvergne, France 1757-1957 Block of Stamps First Day Cover

200th Anniversary Lafayette First Day Cover

200th Anniversary of Lafayette Block of Stamps First Day Cover

200th Anniversary Lafayette, born in Auvergne, France 1757-1957 First Day Cover

200th Anniversary of Lafayette Block of Stamps First Day Cover

Wildlife Conservation 1957 First Day Cover

Wildlife Conservation 1957 First Day Cover

Wildlife Conservation 1957 Block of Stamps First Day Cover

Wildlife Conservation 1957 First Day Cover

Commemorating the Flushing Remonstrance and Religious Freedom in America 1657-1957 First Day Cover

Honoring Gardening and Horticulture First Day Cover

Honoring Gardening and Horticulture Block of Stamps First Day Cover

In God We Trust - 8¢ Regular Postage Series of 1954-58 (revised) First Day Cover

8¢ Regular Postage Series of 1954-58 (revised) Block of Stamps First Day Cover

In Compliment to the Brussels Universal and International Exhibition First Day Cover

In Compliment to the Brussels Universal and International Exhibition Block of Stamps First Day Cover