Rare Secret Society Screwback Fraternal Pin SSO SC SOS Enamel South Carolina perhaps.  Awesome pin wish I knew what it was from. (14I1). Note:USPS shipping rates more than doubled as of 1/28/13 - my rates are postage and supply cost. I can review with any buyer. The Numbers in Parenthesis are my inventory numbers so not part of item description ie (14A).  I combine Shipping