He believes they may have found their way to Manchester.
Emperor Tewodros II had his prized coat and scarf ripped from his body during a British invasion of Ethiopia in 1868.
Heavens is urging people to check their attics as he believes parts of the items may be lost in the city.
A small piece of his silk scarf was also presented to Stamford Park Museum in Stalybridge.
Mr Heavens now believes part of the scarf or coat may have been taken to somebody’s home after the museum was demolished in the 1950s.
