Need help identifying marks please

sorry i have already posted on another heading but think this should have been the correct forum
its my first time on the site but am after some information about the marks on this piece if possible please
IMG_7437

This is a Dublin import mark. Your picture is not clear enough for me work out what the date letter is (the third mark reading from bottom left to top right), although it does seem to be from the 1916-1941 cycle.

Phil

Hi Phil

Thank you, very much appreciated

John