Wyvern Wings

This past week I've been cataloging my grandson's Lego collection. Nearly all of it is either from the Castle or Vikings themes, since they were either sets I originally bought for myself or for my daughter. (I was able to figure out the set that every single piece came from, except 1 random black wedge plate.) Some sets were missing pieces, but considering they're 20 to 30 years old that's not surprising. One big loss was one pair of wyvern's wings from set 7016, "Viking Boat against the...