There usually some stampings on the grip of the frame. Mine has stampings there besides the serial number.
"In Africa, the saying goes, 'In the bush, an Elephant can kill you, a leopard can kill you, and a Black Mamba can kill you. But only with the Mamba is death sure.'Hence its handle, 'Death Incarnate." -Kill Bill vol 2 (Tarantino,2004)
lets not forget some custom anacondas were stamped ccs4 on the frame under the grips