#arts 177U Sentinel. It is made of a material called catalin, which is an early phenolic form of plastic, valued by many collectors, as most of the catalin sets that were produced tend to crack and are hard to find in one piece.
#arts 177U Sentinel. It is made of a material called catalin, which is an early phenolic form of plastic, valued by many collectors, as most of the catalin sets that were produced tend to crack and are hard to find in one piece.
