found this type here: http://www.notinric.lechstepniewski.info/7her127.html
and here(6th coin down): http://romancoinscollected.blogspot.com/2013/10/constantine-ii.html
also a Manuel I byzantine similar to https://en.numista.com/catalogue/pieces70299.html and https://en.numista.com/catalogue/pieces59038.html (but only theta to right of mary not theta/y or theta/p and no letters above marys hand)
i found mine to be http://wildwinds.com/coins/byz/manuel_I/ (SB 1966 DO 13c)
