Replacement Body shells

I have a pamphlet from Archer's garage for pricing on the Speedwell Sprite.
 It seems to be based on a re-pro body of some sort.  Does anybody know who
is repro-ing the Mark I sprite or the MarkII/I Spridgets?

Martyn

PS: Have complete car, need shell.

The Journey, not the destination, becomes a source of wonder.
         (Loreena McKennitt - liner notes - 'The Book of Secrets')