THRACE. Topirus. Caracalla, 198-217. Tetrassarion (Bronze, 31 mm, 18.54 g, 7 h), circa 211-212. AYT K M AYP ANTΩNINOC Laureate head of Caracalla to right; on neck, pseudo-countermark: monogram of AMP within round incuse. Rev. OYΛΠIAC TOΠEIPOY Caracalla standing right in military attire, holding inverted spear in his right hand and parazonium in his left, his left foot set on bound captive kneeling right. BMC -. RPC V.1 (forthcoming) -. Peter -. Varbanov -. For 'countermark', Howgego 604. Unpublished and unique. Attractive light green patina. Very minor roughness, otherwise, good very fine.