This crossword No. 9731 clues and answers were published on Wed 11 Jul 2001 and the puzzle can be visited by following The Guardian Quick Crossword No. 9731 link.
All Across Clues and Answers:
1-across – Sham : PRETENCE
5-across – Projection on cock’s leg : SPUR
9-across – Ruined : KAPUT
10-across – Futile : USELESS
11-across – Compound containing benzoin, used as inhalant : FRIARSBALSAM
13-across – American aborigine : INDIAN
14-across – Of sight : OCULAR
17-across – Isolated to prevent spread of infection : INQUARANTINE
20-across – Sunburnt : BRONZED
21-across – Gather : AMASS
22-across – Pitcher : EWER
23-across – Curse – church ban : ANATHEMA
All Down Clues and Answers:
1-down – Spear – a freshwater fish : PIKE
2-down – Came to an end : EXPIRED
3-down – Lavish entertainment : EXTRAVAGANZA
4-down – Voyage for holiday makers : CRUISE
6-down – Newspapers – bring weight to bear : PRESS
7-down – Evergreen flowering shrub – girl’s name : ROSEMARY
8-down – Wilfully disobedient : RECALCITRANT
12-down – Contemptible : PITIABLE
15-down – Ancestry : LINEAGE
16-down – Forgive : PARDON
18-down – Cite – likely cost of work to be done : QUOTE
19-down – Largest continent : ASIA
This crossword has in total 24 where 12 are across and 12 are down.