Charles II AR crown. 1664. Second bust.

CAROLVS II DEI GRATIA, laureate and draped second bust right.
MAG BR FRA ET HIB REX. 16-64, four crowned shields, pairs of interlocked Cs between, around sunburst with cross at centre.

Seaby 3355. 
Edge not readable in the slab but XVI. 

Courtesy Ira & Larry Goldberg Auctioneers, Beverly Hills, CA. www.goldbergcoins.com
Sale 31: The Pre-Long Beach Auction May 30 - June 1, 2005, Lot 2185