This property defines the Unicodes which belongs to Old Hungarian block
Characters like 𐲀,𐲁,𐲂, etc. are listed under Old Hungarian Block.
110 Characters are present in Old Hungarian Block starting with the Unicode point U+10C80 that represents the character 𐲀.
Currently, as per latest version 15.0.0, Unicode supports 328 number of Block. Here are a few examples - Latin Extended E,Adlam,Aegean Numbers, etc.