I have a Neiman NSP key for my +8 which I damaged and could not identify the code; www.replacementkeys.co.uk identified the key from a photo I sent them cut my replacement keys and sent them to me for a few $, great service.

Bruce
1964 4/4 Series V Comp (Megan)
1994 +8 (Maurice)
2013 M3W (Olga)