This crossword No. 12391 clues and answers were published on Wed 27 Jan 2010 and the puzzle can be visited by following The Guardian Quick Crossword No. 12391 link.
All Across Clues and Answers:
1-across – Spirits : HARDDRINK
8-across – Accurate : TRUE
9-across – Ragtime piano style : HONKYTONK
10-across – Type of cheese : FETA
13-across – Strength — could possibly : MIGHT
15-across – Beam over a door : LINTEL
16-across – Hallowed : SACRED
17-across – Starting point : ORIGIN
19-across – Knight’s personal flag : PENNON
20-across – Placido Domingo, say : TENOR
21-across – Skeleton substance : BONE
24-across – Pocket money container : PIGGYBANK
25-across – Not one : NONE
26-across – Group of specialists considering problem : THINKTANK
All Down Clues and Answers:
2-down – Sailor’s greeting : AHOY
3-down – Nobleman : DUKE
4-down – Selling : RETAIL
5-down – Intervals of just over an octave : NINTHS
6-down – Bole : TREETRUNK
7-down – Writing essentials? : PENANDINK
11-down – Store of vital fluid : BLOODBANK
12-down – Writing fluid containing carbon particles : INDIANINK
13-down – Excellence that deserves to be honoured : MERIT
14-down – One getting possession : TAKER
18-down – Fairly fresh : NEWISH
19-down – Toy firing a cork, say : POPGUN
22-down – Border on : ABUT
23-down – Writer unknown : ANON
This crossword has in total 28 where 14 are across and 14 are down.