All original, and in Excellent condition. The shape is near perfect. No damage to the wicker frame. The wool material is in Outstanding condition.
The EGA is original to this cover. The chinstrap is lightly worn, indicating it was actually used.
I believe it is around a size 6 7/8. The original stitching around the sweatband is deteriorating so it may need a little work if desired. If you have questions or need additional pictures please ask. The item "Original WWI USMC P1912/17 Service Bellcrown" is in sale since Friday, October 25, 2019. This item is in the category "Collectibles\Militaria\WW I (1914-18)\Original Period Items\United States\Hats & Helmets".
The seller is "c-dog0369" and is located in Temecula, California. This item can be shipped worldwide.