Not making much headway with this one . Can anyone help please
5d Get at one in brown cover (6) -----n
6d Diplomatic bag? (7-4) --t---e -a--
10a French duke in ebbing river had been pulled out (6) e----d
19a This French deer frolicking outside will retreat (6) -e---e
20a One who examines an old coin (6) t-s-e-
7a Decomposed in the old borough (6) rotten or rotted?