[Anti-Slavery] "Am I Not a Man and a Brother" & "Am I not a Woman & a Sister" - Pair of 19th Century Anti-Slavery TokensRare pair of Anti Slavery tokens produced for the Society for Effecting the Abolition of the Slave Trade, established by Granville Sharp and Thomas Clarkson in 1787. The first shows the society's emblem of a chained African man, naked and kneeling, "Am I not a Man and a Brother" around the perimeter on obverse, "May Slavery & Oppression Cease Throughout the World" around the perimeter and clasped hands (in print formats generally one is black and one,