A rough description would be :-
Argent, a saltire Gules, cantoned of four towers sable.
...nothing comes up on a search. The shield would normally dictate the era but being round like that is a bit of a mystery? Also, Argent (silver) and Or (Gold) Mantle is an odd combination... metals combination normally associated with the Pope?
My guess is a manufacturers logo (Northern Irish?).
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Cofion gorau
Gruffydd M-J
www.paoyeomanry.org.uk
"A Yeoman from the Stalwart Rural Cavalry"
Lechyd da pob Cymro 
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