Lufthansa Airline Cutlery by Wolf Karnagel
One of the knives has a bit of a bend on the blade, but it can easily be used still.
One set of knife and fork is marked 'Designed for Lufthansa by Wolf Karnagel', the other knife and fork and all the teaspoons are marked are numbered with a model number and 'Lufthansa'.
Forks: 16,9 cm / 6.7 in
Knives: 17,5 cm / 6.9 in
Teaspoons: 12,8 cm / 5 in
Weight, alll pieces: 250 g / 8.8 oz