Sea Shell Properties This is a set of sandblasted and hand carved signs produced in 2" Signfoam with hand lettering done for a resort in the Caribbean starting in 1996. Signfoam has withstood the harsh sun, wind, and rain that would have caused wood signs to deteriorate. Above 24" x 24" x 2" $1,800 Above Right 48" x 66" x 2" $3,900 Below Right 24" x 30" x 2" $1,950