Charles I, AV Crown, 1625-1649. Tower Mint under the King. Mintmark, star. 

Crowned bust left, numerals for value behind. 
Crowned shield. 

S.2707; Fr-248. 

Courtesy Ira & Larry Goldberg Auctioneers, Beverly Hills, CA. www.goldbergcoins.com
Sale 31: The Pre-Long Beach Auction May 30 - June 1, 2005, Lot 2155.