The re-reading of two Roman imperial countermarks, preserved in the National Archaeological Museum of Madrid (figs. 4-5), allows us to clarify and update what is known about the types related to the Legio X Gemina in the Hispanic area: two of them (B-C) are already included in the bibliography, but interpreted incompletely and not related to each other; moreover, a new specimen of type B (fig. 3) confirms the use of archaic cursive spelling for the letter E, in the form of II, and makes the two types B-C unique for the epigraphic customs of the imperial countermarks of the E, in the form of II. 3) confirms the use of the archaic cursive spelling for the letter E, in the form of II, and makes the two types B-C unique for the epigraphic customs of the Roman imperial countermarks.