Here is a seldom seen white leather carrying case for the Zenith Royal 500. It is in excellent condition and includes a nice white shoulder strap, also in excellent condition. Getting a nice white case with the matching strap is a tough find. The case is clean in and out and shows only light use. It has been stored in plastic wrap and is clean in and out.
I am not sure when this case was made, but it matches with the radios made in 1956 through 1958 and could have been offered as an after-market option.