WW1 WW2 ERA BELGIUM RED CROSS SERVICE MEDAL IN CASE ISSUE BY FONSON

Offered is a WW1 or WW2 issue Belgian Red Cross service medal, with central red enamelled red cross, the medal measuring 42mm wide. Comes in its original Fonson of Brussells fitted leatherette award case. Not seen this type before, nor can I find any details on it, so feel free to let me know if you have any other information on this to help add to the listing.