UNLISTED OFFICINA - Θ. RIC lists this issue in "Addenda and Corrigenda" (p. 719), but only officina Γ is attested (rev. legend break I-N). Emission 7 (336-337) in Ramskold - Constantinople silver.
Siliqua. Weight 3.30 g. Coin sold on Künker auction 83 (lot 1337) in June 2003 for EUR 1,650; sold on Künker auction 135 (lot 8967) in March 2009 for EUR 3,000.