Congratulation Gerben for these two rare pistols.
In particular, the Display Model 10.00 11 is very desirable because as you already mentioned is a Swiss 06/29 reworked to fulfill the request of Interarms to have something to present to NRA and NSGA in 1969.
Important for people not really inside the numbering method of Mauser, do not confuse this pistol sn 10.0011 with the 11th pistol produced that is numbered 10.000011. So two different items and the 10.0011 is a great rare find!!
The sale invoice to Interarms is dated 24th of January 1969.
In the Mauser Photographic Archive, the photo of the "sister" pistol 10.00 12 is available and I attach it here.
I remind for who is interested in the certification of the Mauser Parabellum pistol from the original Mauser ledgers, the service I am providing here:
http://www.lugerlp08.com/mauser%20pa...tification.htm
Once more congratulation for these two rare beauties.
Mauro