, or L = 50; C = 100; D = 500; ↀ or
, post-Augustan M = 1000.
[2407.] Of these signs, V seems to be the half of X, which may be Etruscan in origin. The original signs for 50 and 1000 were taken from the Chalcidian Greek alphabet ([18], [19]), in which they represented sounds unknown to early Latin. Thus, ↆ, in the Chalcidian alphabet representing ch ([49]), was used by the early Romans for 50, and became successively
,
, and L. The form ↆ, is found very rarely,