Chris,
The Scott Kercher model I posted with the long nose was introduced in 1966 I think, the kit instructions do not give a date. Here is a good reference with photos of one that just sold at Sotheby's.
https://rmsothebys.com/en/auctions/AM18/Amelia-Island/lots/r0041-1966-ferrari-275-gtb-by-scaglietti/630212
Gary