Here is a cloak clasp from the Hungarian Chapel of Aachen that was built in 1367. You can see the COA of King Lajos (Louis) I of Hungary on the clasp.
The original was made between 1367 and 1381, after the construction of the chapel, it is a replica made in 1884 in Budapest. It is on display in the Museum of Applied Arts, Budapest. Height: 15.5 cm