Dexta special

[scarecrow]

Hello people
The nights are drawing in up in the hills so its time to ask daft questions.
please can someone tell me what a dexta special is, i have looked in many books
tried to find out on tinternet but have drawn a blank,

[Broadspeed]

Maybe helpful links:

viewtopic.php?f=3&t=2933&p=20545&hilit= ... ial#p20555
viewtopic.php?f=3&t=692

[scarecrow]

thanks for that broadspeed ,sorry i havent answered back sooner
i have a may 64 n/p standard dexta just wondered what the difference was.
many thanks