Sale 31: The Pre-Long Beach Auction May 30 - June 1, 2005, Lot 2278<br>. Halfcrown, 1708. Queen Anne. S-3604. 
Post-Union reverse, showing the re-arranged insignia of the shield, to denote the union with Scotland. 
Edge date not visible in the slab but probably "SEPTIMO." 

Courtesy Ira & Larry Goldberg Auctioneers, Beverly Hills, CA. www.goldbergcoins.com