This crossword No. 10307 clues and answers were published on Mon 19 May 2003 and the puzzle can be visited by following The Guardian Quick Crossword No. 10307 link.
All Across Clues and Answers:
1-across – Pavement : SIDEWALK
5-across – Flashy black-marketeer : SPIV
9-across – Sluggish person – kind of mail : SNAIL
10-across – Small fish related to cod : WHITING
11-across – Dangerous antagonist : UGLYCUSTOMER
13-across – Quantity : OUTPUT
14-across – Undertaker’s vehicle : HEARSE
17-across – The external genitals : PRIVATEPARTS
20-across – Only your clique will laugh at them : INJOKES
21-across – Personal teacher : TUTOR
22-across – European sea eagle : ERNE
23-across – Only a little pork on this bone : SPARERIB
All Down Clues and Answers:
1-down – Window frame – shoulder band : SASH
2-down – Dragging or pulling – man on board! : DRAUGHT
3-down – Please speed up! – request from the 10 to the 9 : WILLYOUWALKA
4-down – Legal : LAWFUL
6-down – Miss _____, governess in ¿he Importance of Being Earnest : PRISM
7-down – Unpredictable acts : VAGARIES
8-down – See 3 : LITTLEFASTER
12-down – Sea creature : PORPOISE
15-down – Palindromic turner : ROTATOR
16-down – Muddle – confusion : MESSUP
18-down – An : INJUN
19-down – Marine crustacean : CRAB
This crossword has in total 24 where 12 are across and 12 are down.