For a stamp celebrating the 150th anniversary of the Emancipation Proclamation, designer Gail Anderson turned to a printing technique of the period, the classic wood types of Hatch Show Print (previously).
Mapping Slavery. In September 1861 Edwin Hergesheimer of the United States Coast Survey produced a map based on data from the 1860 census showing the distribution of slaves across the South. It's interesting to compare this to other maps. [more inside]