GD Shoulder Straps - are they real?

[John W. Krueger]

I would sincerely appreciate any opinions as to the authenticity of these shoulder straps. Thanks.

[John W. Krueger]

More photos

[FBB]

Boards are original and metal GD insignia too.Question is when are Insignia add to Boards.Last time is often to see Boards with fresh added GD insignia..so is the price most higher.Normally after 70 years must be to see insignia ghost on the Boards.
Regards

Seba