The Rotary Club of Gibraltar was chartered in 1951, making the 1991 issue a fortieth-anniversary commemorative for the local chapter rather than a general Rotary International piece. Gibraltar has issued Crown-sized commemoratives prolifically since the 1970s, often targeting the collector rather than circulation market — this issue almost certainly never saw a cash register.
The Rotary Club of Gibraltar was chartered in 1951, making the 1991 issue a fortieth-anniversary commemorative for the local chapter rather than a general Rotary International piece. Gibraltar has issued Crown-sized commemoratives prolifically since the 1970s, often targeting the collector rather than circulation market — this issue almost certainly never saw a cash register.