As mentioned, you can find these in Mike's shop for US$45 right now, and this variant is limited to 40 pieces. Also worth noting: on Mike's Tumblr, he's posted a picture about a DesignerCon exclusive Purple Plague Bones sofubi, limited to just 25 pieces and hand painted by Frank Kozik.
Photo Gallery: (2 images)
Click to zoom - browse by swipe, or use arrow keys
can cause it. You can fix it by adding *.disqus.com to your whitelists.