The Foggy Past: C.M.B. vol. 11-12 by Motohiro Katou

The first story from Motohiro Katou's C.M.B. vol. 11, "Phaistos Disc," returns to the two part, two chapter format in which Mau Sugal, the black market broker, invites Sakaki Shinra and Nanase Tatsuki to her antique shop in Santorini, Greece – one of a dozen shops she has around the world. Sugal promised Shinra to show him parts of her collection of historical artifacts, but, when they arrive at the shop, there's a man waiting for them.Bier Brust, of Europol, is "the head of the department that deals with stolen artifacts" and, sort of, plays the Jirokichi Sebastian to Sugal's Kaito KID. She just calls him a stalker. Brust is very surprised to see Shinra, holder of the C.M.B. rings, in the company of Sugal, but Shinra is even more surprise to spots "a first class artifact that's been undiscovered until now" among Sugal's inventory. A stamp from the Phaistos Disc! Sugal tells them the stamp has already been sold to Pan Sirius, younger, more outgoing brother of shipping magnate and…