692. Seleukos I. 312-280 BC. AR Tetradrachm (16.36 gm). Seleukia on the Tigris mint. Struck 282-281 BC. Laureate head of Zeus right / Athena Promachos in quadriga drawn by horned elephants; anchor above, monogram to left, monograms in exergue. Newell, ESM 49 var. (form and placement of monogram); Houghton 918 var. (same); SNG Spaer -. Toned VF, light porosity, heavier on the reverse. ($600) CNG Mail bid sale #58, 18 Sept 2001, lot 692. Lot sold for $575. Used by permission of CNG, www.historicalcoins.com