#716 This issue had a four page flyer inside advertising glossy photos of footballers that came with Adventure, Rover, Wizard and Hotspur.
#746 Fireworks issue. #753 Xmas issue.
A complete year 1956 was sold by Comic Book Postal Auctions for £445 way back in Nov 2009.
Apr 2014: a FN to VFN copy of #753 fetched £31 on eBay UK. Phil Shrimpton demonstrating how the Christmas issues of Beano and indeed The Dandy are becoming more recognised and sought after, hitting values of three times as much as a regular issue. I will have to separate these Christmas issues out and give them higher values....