Remesal Rodríguez J, Bermúdez Lorenzo JM. The Presence of Seals on Dressel 20 Amphorae in Londinium–Camulodunum and Mogontiacum: a Quantitative-comparative Analysis and its Derived Trade Dynamics. Gerión. 2021;39(1):125-147. doi:10.5209/geri.74785