It looks as if the stamp album page(s) created for the "A Flag for All Seasons" stamps are going to have to be revised based on this Linn's Stamp News article suggesting that a 2014 yet-to-be-announced format of the stamps are in the works:
http://linns.com/news/us-stamps/279...riety-likelyAt least it should be very easy to identify them, assuming they will carry a 2014 date.