This property defines the Unicodes which have Old Italic (Etruscan) script
Characters like 𐌀,𐌁,𐌂, etc. are listed under Old Italic (Etruscan) Script.
39 Characters are present in Old Italic (Etruscan) Script starting with the Unicode point U+10300 that represents the character 𐌀.
Currently, as per latest version 15.0.0, Unicode supports 164 number of Script. Here are a few examples - Adlam,Ahom,Anatolian Hieroglyphs, etc.