CNG 69, Lot: 2155. June 2005. STUART. Charles I. 1625-1649. AR Sixpence (3.44 g). Sixth bust, struck 1639-1640. Tower mint; mm: D. 

Crowned bust left.
Coat-of-arms on cross moline. 

Brooker 644; North 2246; SCBC 2804. 

Used by permission of CNG, www.cngcoins.com