Numismatic Puzzle: The Coat of Arms of Castile

The piece of today’s puzzle comes from the upcoming SINCONA-Auction 89:

Lot 708: Spain, Kingdom. Pedro I King of Castile and León, 1350-1369. Dobla de 35 Maravedis n.d. (1350-1366), Sevilla Mint. Very rare in this condition. NGC MS67. Estimate: CHF 10,000.

Have fun with the puzzle!