There are two of most letters (except Q, X,Y & Z). They are about 2 mm thick and are gold on the front with black sides.
Atlantis Space Shuttle 3D Paper Self Assembly Model Mint. 1:150 3D
Star Trek TNG U.S.S. Enterprise NCC-1701-D 3D Metal Self Assembly DIY Model Kit
LARGE Tower Bridge London 3D Miniature Self Assembly Metal Model DIY Kit ENGLAND
New 3D Printed Self-Assembly Nissen Hut Kit – Detailed Model – Easy to Build!
Various Sizes, Waterslide Letters 1/4in to 1in . Gold, Red & Black see Listing.