prize xword

[hunstanton]

40a Material used by Thor Heyerdahl to build KON TIKI ? (5) ???T?
19D Artistic representation of the dead Christ supported by the virgin Mary ? (5) P?e?a

[grasscarp]

19 Pieta

[Lie-in King]

40a Balsa

[Captain2]

40a Balsa?

[sandyRoe]

Balsa

[hunstanton]

OK thanks very much !
Stuck on these as well
32d First letter of Hebrew alphabet ?(5) A?E?H
17A Cafe ?? ???? a milky coffee drink originated in France , is au lait ?

[sandyRoe]

Aleph

[sandyRoe]

au lait looks ok

[hunstanton]

Thanks Sandy Roe