Watch List notes:

L. Memmius. 109-108 B.C. AR denarius (19.50 mm, 3.78 g, 9 h). Rome mint. Male head right, wearing oak-wreath; monogram below chin / L·MEMMI, the Dioscuri standing facing before their horses, each holding a spear. Crawford 304/1; Sydenham 558; RSC Memmia 1. VF. 

Crawford notes that this moneyer may have traveled to Egypt and the unusual depiction of the Dioscuri may have been based on Egyptian artwork.