I’ve been looking at this for a while. I kept seeing Mumm-Ra’s on eBay that have a bright red headdress that looks slightly of. Like they were put on wrong or something. All of these Mumm-Ra’s [I’ve seen] are the “first released” version (described here) with the small eyes etc. So I deceided to get one.
http://i.imgur.com/g4aTFSi.jpg
As you can see the headdress doesnt fit properly. It turns out its too “fat”, meaning it’s to snug on the inside and the 3 wedges are a lot chunkier than in other headdresses so it doesnt sit well .
http://i.imgur.com/VUpU8ti.jpg
Also this figure has a small difference in the sculpt. As you can see below on the left, there is a thin border around the Battle-Matic-Action[SIZE=5]™[/SIZE]
opening. The one on the right is also a first version Mumm-Ra, but has no border.
http://i.imgur.com/2v0PQ20.jpg http://i.imgur.com/tXIQPMF.jpg
Carded versions I’ve seen are 1986, US 14-backs. A lot of loose versions are offered on eBay UK. Out of the 10 “first release” Mumm-Ra’s I have, 6 have this border. Later, improved Mumm-Ra’s, dont have the border.
http://www.shotinthedark.info/wp/wp-content/uploads/2016/07/The-More-You-Know.jpg