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Gordian III, AE23 of Deultum, Thrace.

IMP C GORDIANVS PIVS F AVG, laureate, draped and cuirassed bust right.
COL FL PAC DE-VLT, galley sailing right with inflated sails.

Varbanov 2649-2650 (this coin); Jurukova 274; Plovdiv 1351; Leningrad Ermitage 4820; Mionnet, supp. II, 561.