1991 (1992?) Calais Mechanisms Set and Manual.
From a mint shrinkwrapped set. Note that details C and D on the box lid are mislabeled!

 

Box1-Front
 Box2-Back
 Box3-Sides
 Box4-Contents
 page01
page02
 page03
 page04
 page05
 page06
page07
 page08
 page09
 page10
 page11
page12
 page13
 page14
 page15
 page16