RARE Spelling Building Blocks

RARE vintage set of wooden spelling blocks by Crosscuts. "The Crosscuts Spelling and Building Blocks - Registered - British Manufacture" 120 two-sided blocks have a different letter on each side. Comes in original wooden box. Some wear and tear on the paper/cardboard and the wooden box is in ok shape. Certainly a great set for displaying! ***Had a difficult time finding anything similar on searches by picture or looking up by name.***