The above photographs show a full reform or high wave lip plate. There are several styles of this type of embouchure - this one being specially shaped at the edges to minimise the amount of metal on the non blowing front edge of the plate. This makes it very comfortable in use.
The above is on a Headjoint by the UK Flutemaker Ewen McDougall of Ravensworth.
For more information on this subject go to The FAQ on the Larry Krantz Web Site
The above photograph and notes are as accurate as my knowledge of the subject permits