Gaspare, they belong to a friend of mine.
The 1895 "Carl Holz, Tuttlingen" catalog was copied from the original that is located in the VICTORINOX museum at Ibach, Switzerland.
Previous owner of that outstanding Carl Holz catalog was Horst Brunner from Winterthur/Switzerland.
I learned to know his outstanding collection of pocket knives from all over the world and his knife related archives during the late 1980s.
He was the leading expert in late 1800s Solingen made Swiss Army knives and follow-up VICTORINOX / Carl Elsener and WENGER Swiss Army Knmives.
Whe he passed away all his collection was acquired by Victorinox.
