Cryptic crossword No 3,643

Across

1. One who flashes bra for audience and serves the king? (3,6)
2. Astronomical map made from potato printing? (4,5)
3. Onset of satellite broadcasting lacks current listening device (5)
4. Dorian Grey mostly adapted for American course? (3,6)
5. Newsworthy leader shifts to the right of Observer? (7)
6. Writer baked our cake (7)
7. Way to get credit as former Washington Post employee? (8,7)
8. Ghoti taken by couch in Bulgarian city (5)
9. Announce queerness, start reaching conclusion to create impact (7)
10. Execution is punishment brought about by teetotaller imprisoning soldiers (9)
11. Sweet and a bit funny online? (5)
12. Game murder suspect encountered fall? (7)
13. Old couple available for employment (2,3)

Down

1. Restrain belt to be carrying this? (6,2)
2. Oddball is a knockout, alright? (4)
3. Let's bail out a French institution (8)
4. Least agreeable wines sent back before pastries and dessert, finally (10)
5. Broadcaster admits tendency to get messy (6)
6. Investigator to grill popstar again? (10)
7. Signs agreements to cover bare face (10)
8. Salerno, cryptically, is the birthplace of jazz (3,7)
9. What Penn's partner does (and doesn't do)? (4)
10. Die? No thanks (4)
11. What Elaine uses to initial at this point? (4)
12. Waste of rich outspoken South African? (8)
13. Egyptian god entered without being seen? (2,6)
14. Whisper of Death Street in Paris, say? (6)
15. "Is art relevant?" claims philosopher (6)
16. She graduated from manual training (6)