Simplify the following text for a Grade 12 native English-speaking person.
Original: p169 His coinage resumed , too : ` Ma ` nu the king ' ( Syriac : M ` NW MLK ' ) or Antonine dynasts on the obverse , and ` King Mannos , friend of Romans ' ( Greek : Basileus Mannos PhilorÅ maios ) on the reverse .
Simplified: His coinage resumed , too : ` Ma ` nu the king ' ( Syriac : M ` NW MLK ' ) or Antonine dynasts on the obverse , and ` King Mannos , friend of Romans ' ( Greek : Basileus Mannos PhilorÅ maios ) on the reverse .