Stuarts, Charles I AR Sixpence, Tower mint. 2.76 gr. 1636-1638, group 
E, mintmark tun. 

Obv: CAROLVS D G MA BR FR ET HI REX, crowned bust left, VI 
behind head, 'tun' mintmark. 
Rev: CHRISTO AVSPICE REGNO, cross moline over coat of arms.

Condition:
Good fine; small striking split to edge.

Seaby 2814; N. 2242.

With permission of TimeLine Auctions (www.timelineauctions.com), March, 2013