Houghton Monogram 162 (nmo:Monogram)
- URI
- http://numismatics.org/sco/symbol/monogram.houghton.162
- Monogram 162 from Houghton, Lorber, and Hoover, Seleucid coins : a comprehensive catalogue (2008). The monogram contains Η, Ι, and Δ as identified by Peter van Alfen. (en)
- Η, Ι, and Δ
- http://nomisma.org/id/greek_numismatics
- http://nomisma.org/id/seleucid_coins
