EGYPT, PTOLEMY I (323-285 B.C.), TETRADRACHM, 15.68G., HEAD OF ALEXANDER THE GREAT RIGHT, WEARING HORN OF AMMON AND ELEPHANT SKIN HEADDRESS, REV. ATHENA ALKIDEMOS ADVANCING RIGHT HOLDING SPEAR AND SHIELD, EAGLE AT FEET (SNG COP.23), SLIGHT BRUISING TO CHEEK, EXTREMELY FINE, TONED