I couldn't find this car in Simon Moore's book either. I'm not even sure it's an Alfa.
Did you ask Kruse for a photocopy of the list of the cars that were at this particular auction?
[SIZE="1"]'63 2600 Touring Spider (AR 191437, the car that started the 2000/2600 International Register, reassembly in progress)
ex-'65 2600 SZ (AR 856043, the car in my avatar, sold as resto project to Austria)
Maintainer of a private 2600 SZ register (not the one in the Netherlands).[/SIZE]