Cryptic crossword

ACROSS

1. It may sport a buttonhole to copy in the lines (5)

4. What’s on the road to trade in illegally (7)

8. Genuine way to beat liver disorder (9)

9. Combined with copper on the motorway (3)

10. Keep it back or bring it again to table (7)

12. Leaf parasite put its end first (4)

14. It will amaze one if rag gets out of order (7)

17. An awkward boor at fifty gets dismissed (4)

18. Fish is either tin or cartilaginous (7)

20. A word that joins ampers in its shortened form (3)

21. Instrument may do some damage to a coin, bending it (9)

23. Bone at the front at the back, starts under muscle (7)

24. A dashed dotty name for a walrus (5)

DOWN

1. Scouses might land up with evil, Sir (13)

2. Capital hospital under local church jurisdiction (6)

3. Can use words to alter tie arising from it (8)

4. The Underground doesn’t finish in Bath (3)

5. The tip one will copy before ten (4)

6. Working with ease if lace is designed for it (6)

7. Direction-finder in a toe gets broken, which is merciful (13)

11. Therefore, end of frost may damage the rye (5)

13. It’s handed down by inheritor on shaft of an oar (8)

15. Two reams of paper in a loose package (6)

16. One’s calling for me to have a row (6)

19. Feature is an inch out of shape (4)

22. Edge of village in old Russia showing up (3)