Galeria Valeria, daughter of Diocletian, AE follis, c. 309-310 AD, Alexandria (ALE mintmark) mint, third officina. 

about EF, traces of original silvering, minor surface roughness, nevertheless a choice example, a difficult coin to find with pre-1970 provenance.

RIC VI 110

ex-Max Blaschegg (1930-2021) collection, from his father, Karl Blaschegg (1892-1951) collection, by descent.