It's a fancy calligraphy version of "Peace Be Upon Him" used specifically when referring to the prophet Muhammad. There are a handful similar phrases, mostly re

It's a fancy calligraphy version of "Peace Be Upon Him" used specifically when referring to the prophet Muhammad. There are a handful similar phrases, mostly religious in nature. The most notable one would be ﷽ "In the name of Allah the merciful and compassionate" AKA the widest single codepoint in all of Unicode.