I've just checked my cars here in the light of this information.
Sure enough, the '92 UK car has the so called 'dark wood grain', and it is in silk finish. I think of it as purple melange rather than any even distant resemblance to wood.
I also have '93 and '95 UK cars. Both were built in '93 though.
Both of these sport the nicer light wood grain, and both are silk finish.
Possibly the glossy wood grain came on stream in late '95.
Joe
__________________
Black Betty [Bam a Lam!] '93 UK spec, still languishing
Betty
Jersey Girl Silver '92 UK [Channel Isles] 40K
Jersey Girl @ Mersea
Candy Purple Honda Blackbird
Plum Dangerous
White X2 RVR Mitsubishi 1800GDI.
Vantastic
40,000 miles Jersey Girl