Greek tau-rho ligature, a tau and rho combined into a cross-like monogram, known as the staurogram or rho-cross, used in early Christian manuscripts.
U+1019CASCIA SYMBOLU+1019BROMAN CENTURIAL SIGNU+1019AROMAN AS SIGNU+10199ROMAN DUPONDIUS SIGNU+10198ROMAN SESTERTIUS SIGNU+10197ROMAN QUINARIUS SIGNU+10196ROMAN DENARIUS SIGNU+10195ROMAN SILIQUA SIGNU+10194ROMAN DIMIDIA SEXTULA SIGNU+10193ROMAN SEXTULA SIGNU+10192ROMAN SEMUNCIA SIGNU+10191ROMAN UNCIA SIGN14 characters in the Ancient Symbols Unicode block.
U+10190ROMAN SEXTANS SIGNU+10191ROMAN UNCIA SIGNU+10192ROMAN SEMUNCIA SIGNU+10193ROMAN SEXTULA SIGNU+10194ROMAN DIMIDIA SEXTULA SIGNU+10195ROMAN SILIQUA SIGNU+10196ROMAN DENARIUS SIGNU+10197ROMAN QUINARIUS SIGNU+10198ROMAN SESTERTIUS SIGNU+10199ROMAN DUPONDIUS SIGNU+1019AROMAN AS SIGNU+1019BROMAN CENTURIAL SIGNU+1019CASCIA SYMBOLU+101A0GREEK SYMBOL TAU RHO