Manuel II Paléologue, AR Half-stavraton (1/4 Hyperpyron), Light (Class II) coinage. Struck AD 1403-1425, Constantinople. 20 mm, 3.78 g. 

IC-XC, bust of Christ facing, dot over X to left.
MANOVHL BACILEVC O PALEOLOGOC, crowned bust of Emperor, nimbate, facing, dot to left and right. 

Sear 2551; DOC 1453; PCPC 334 (sigle 21).

With permission of cngcoins.com, Keystone Auction 11, Lot 441, March 2023.

Note, there are over 50 varieties of this type,
with different symbol combinations to left and right.