APOLLONIA PONTICA. CONTRIBUTIONS TO THE STUDY OF THE COIN MINTING OF THE CITY 6th -1st c,BC. Part I and part II.
by S. Topalov
This is probably the best book about the coin minting in Apollonia pontica 6th-1th c BC.!!
(many photos and figures)
in Bulgarian, with 300 pages summary in English .
The catalog is in English and Bulgarien