Here’s the conclusion of the 13th Age countdown in one swift post.
13…Attack on Boltstrike Pillar: the color version and the original charcoal drawing.
12…Unpublished early concept drawing of Sorcerers of The Three (see the 13th Age GM Screen for an updated version)
11…Pencil drawing of 2 halflings sharing a pipe in Twisp (toned final art on page 280 of the core book)
10…The drawing for the cover of the core book on toned watercolor paper and a detail from the concept sketch.
9…Detail of the original charcoal art for the Gnome class in the core book (page 68)
8…An unwelcome guest in the king’s court. The painted version by Lee Moyer (found in 13 True Ways) and the original drawing.
7…Adventurers went to heaven…after some faerie trouble. (Illustration on page 121 of 13 True Ways)
6…Original drawing on toned paper (color version in 13 True Ways)
5…Dance of the Dead. A drawing from 13 True Ways with some recent color alterations.
4…Revised color on an illustration in the core book (page 40) and detail of the original drawing on toned paper.
3…Kobold guardians of Drakkenhall. Original acrylic painting for the illustration on page 127 of 13 True Ways.
2…Darkness Horses from the forthcoming 13th Age in Glorantha.
1…Unused concept drawing for the Battle Captain seen on page 29 of 13 True Ways.