There is glue on these. I just looked with a microscope and I cannot see any glue anywhere. It is made of two pieces and you can see where there are put together. The gold color finished is used on the edges of the wings but still present in the groves.
They came from a wing collector items and I kept the paratrooper wings that I collect. I added few picture from the. Please look at all my for WWII, WWI, Korea and Vietnam items etc. Feel free to ask any questions. I offer this as a service and a cheaper alternative for collectors.
Alternatively, you can select a service with tracking. Please contact me directly to discuss managing costs. This item is in the category "Collectibles\Militaria\WW II (1939-45)\Original Period Items\United States\Pins". The seller is "normandie44" and is located in this country: US. This item can be shipped worldwide.