IHS XIS REX REGNANTIVM: Christ std. on square-backed throne raising r. in benediction and holding in l. book of gospels by upper edge
Reverse
THKE BOETH ROMANO/MR TH: To l., emperor stg. facing holding r. to breast in globus cruciger in l.; to r., Virgin nimbate stg. crowning emperor with r. and holding l. on breast.