This crossword No. 23125 clues and answers were published on Sat 24 Apr 2004 and the puzzle can be visited by following The Guardian Prize Crossword No. 23125 link.
All Across Clues and Answers:
1-across – Warning protest against wearing fewer clothes : OBJECT
5-across – See 1 : LESSON
8-across – Was the pact here to look at the registration number? : LOCARNO
9-across – Polish capital : RUBADUB
11-across – Basque bank blued allowance from vegetable dish : BUBBLEANDSQUEAK
12-across – The girl Verity goes topless : RUTH
13-across – Backwoodsman with jalopy keeping American time : BUSHRANGER
17-across – See 10 : IRREGULARS
18-across – The other half from 9 is a nuisance : PEST
20-across – Virtually the same mess began in the clear : INTERCHANGEABLE
23-across – Busy with a date? : ENGAGED
24-across – Insert transport for underling : SERVANT
25-across – Refrain from food and take in lines of music : STARVE
26-across – Square-dance figure is turning into a dead thing : DOSIDO
All Down Clues and Answers:
2-down – Ill-natured gossip with piece mounted by angel : BACKBITER
3-down – Lyre that is played in weird style : EERILY
4-down – Virtual piece about female with great and swell : TWOMANUAL
5-down – Ghastly old city in cover : LURID
6-down – Slightly less than blues composer, as entered : SUBEQUAL
7-down – In place of petrol, diesel seems somewhat dated : OLDIE
8-down – Enslavement, perhaps, in classical book, Bond circumvents detectives : LIBERTICIDE
10-down – Greek art: terrible I from Russia perplexed detective’s assistants : BAKERSTREET
14-down – Watered around forest – no point in it? Tough! : HARDNOSED
15-down – Water bird around yard, with the rest of it for 7 : GREYBEARD
16-down – A place for a car, pointless when one has no topping or jelly : AGARAGAR
19-down – Wheel for unEnglish boats? : FERRIS
21-down – Only just 8 [plus] 1? [See special instructions above] : TIGHT
22-down – Barrier on the hard side : HEDGE
This crossword has in total 28 where 14 are across and 14 are down.