Ptolemy I Soter AR Tetradrachm. 305-285 BC. Obverse die signed by the artist <font face="SYMBOL">D</font>. Alexandria mint. Diademed bust right, in aegis; small D behind ear / <font face="SYMBOL">BASILEWS PTOLEMAIOU</font>, eagle standing left on thunderbolt; P above monogram to right. BMC 9, SNGCop 73.