Symbols.com is a web site based on symbol dictionaries by Carl G. Luingman. Using it, I was able to quickly locate symbols similar to the mystery )( symbol (discussed previously here and here):
Unfortunately, neither symbol has a numismatic connection or name. So I'm stuck again.
Symbols.com's graphic index is an interesting presentation of a query-able symbol dictionary. Such a dictionary would be useful for identifying ancient symbols, such as on coins. I'm imagining augmenting the 'obverse symbol' and 'reverse symbol' field in coin databases by using Luingman's group numbers for mysterious symbols, such as triskeles, ankhs, etc.
Bibliothèque nationale de France join Nomisma - The Bibliothèque nationale de France (BnF) has joined Nomisma, providing data for more than 2,000 coins of Alexander the Great, Philip III Arrhidaeus, and ...
11 hours ago