This crossword No. 21897 clues and answers were published on Sat 13 May 2000 and the puzzle can be visited by following The Guardian Prize Crossword No. 21897 link.
All Across Clues and Answers:
4-across – Not assuming 12 : MODEST
6-across – Pilgrim and raconteur keeping in with the Hatter : MILLINER
9-across – Joint decision-maker, always reflective : REEFER
10-across – Place 10 yields 5 points : PENTACLE
11-across – Refitted steamer, introducing floor covering and purity gauge : SALINOMETER
15-across – Lab test rectified medication : TABLETS
17-across – Two types of stylised drama, the latter dropping a lost cause : NOHOPER
18-across – Work at home, having retired, and snoop around, being in the area : PROPINQUITY
22-across – Wholehearted hard man holds whore’s heart : THOROUGH
23-across – Marvellous food secures a less than specific date : MANANA
24-across – Crashes round city returning fliers : WRYNECKS
25-across – 0 – 0 / -1 phoney wind : ZEPHYR
All Down Clues and Answers:
1-down – Behind giving name to flower : ASTERN
2-down – 500 to 1 on Balt versus Amateurs : DILETTANTI
3-down – Nothing’s missed by underworld boss’s supreme biographer : PLUTARCH
4-down – Gloom in changing room – one in a hovel : MOROSITY
5-down – Fingerprint set concealed by a long garment : DJELLABA
7-down – Lift slammer : NICK
8-down – Sounded obscene and was sorry : RUED
12-down – Gross turnover received by pungent music man : MUSSORGSKY
13-down – Promise to absorb last words: I’m an old dog learning new tricks : OPSIMATH
14-down – Uninspired musical sequel to Goldilocks? : GREYHAIR
16-down – See right through incomplete specialist spacecraft : EXPLORER
19-down – Utter tremolo note : QUAVER
20-down – Put in storage for point-to-point : STOW
21-down – Belch prepositions : TOBY
This crossword has in total 26 where 12 are across and 14 are down.