This crossword No. 25059 clues and answers were published on Sat 10 Jul 2010 and the puzzle can be visited by following The Guardian Prize Crossword No. 25059 link.
All Across Clues and Answers:
1-across – Customs! They seized the mine, unfortunately : MORESTHEPITY
8-across – Cover for the Listener when Wyatt catches retreating boy : EARFLAP
9-across – I don’t exactly mean that Fe is tritium : IRONIST
11-across – Old Hollywood actor had gold he gave to charity : DONATOR
12-across – Momentum first encountered by American without power : IMPETUS
13-across – Flock if it’s this : HEARD
14-across – OK to put on the table of the Queen in the story : OFFERABLE
16-across – Push needed to get university job? : BATHCHAIR
19-across – Heavenly sound in the 17 : ARIEL
21-across – City father’s promulgation : ROMULUS
23-across – Visible requirement for psychotherapist : INSIGHT
24-across – Fizzy stuff to place round plant : SHERBET
25-across – Merchant becoming baddie in the 17 : ANTONIO
26-across – Flag for speed — that’s how it usually goes : STANDARDRATE
All Down Clues and Answers:
1-down – Setter’s backing currency with a girl of the 17 : MIRANDA
2-down – Told of 1, 5 and 25 : RELATED
3-down – Bright star is ours, orbiting by means of eggs : SUPERNOVA
4-down – From my dacha it is over 600 miles to Caracas : HAITI
5-down – 17 maker briefly to do well : PROSPER
6-down – Conclusion of great success, but put up for old-fashioned wash : TWINTUB
7-down – Winter slogan: provide for dished and bereft : FEEDTHEBIRDS
10-down – Novel heroine left in bliss to the making of mosaics : TESSELLATION
15-down – False friend with prince in the 17 : FERDINAND
17-down – Try to hold directions in a storm : TEMPEST
18-down – Part of US state that had prohibition in the 17 : CALIBAN
19-down – Area for old London criminals or dogs — as a tail unfolds : ALSATIA
20-down – Green type takes turn in revolutionary engine : INGENUE
22-down – Pose for king, first getting spruce : SITKA
This crossword has in total 28 where 14 are across and 14 are down.