2down) Sheer quality of valuable mine included on cape(15) P?e???????s???? 26across) Old scoundrel running sporting events(9,6) G?????n??,???i?? 17across) Chap who admits it is his job(7) D???m?c 18down) Channel? Not certain of 18 down, so here is clue 18d) Cherish ambition out of turn on waterway (7) 5down) Stop in the Navy (5,2) H?a?e,?? Have others cannot work out yet trying to stretch brain, yet , if still stuck may be back later. Cheers in advance, perplexed Simon ;-)