This property defines the Unicodes which have Old Persian script
Characters like 𐎠,𐎡,𐎢, etc. are listed under Old Persian Script.
50 Characters are present in Old Persian Script starting with the Unicode point U+103A0 that represents the character 𐎠.
Currently, as per latest version 15.0.0, Unicode supports 164 number of Script. Here are a few examples - Adlam,Ahom,Anatolian Hieroglyphs, etc.