This is cutlery from Lufthansa, the German airline, for in-flight meals. They have been used and have scratches. There are what appear to be part numbers on the back. Spoon: 93 B Fork: 92 C and 09A The forks seem to have slightly different shapes and curves. Knife: 07A, 08A, 93B, 03D The knives have different serrations and thicknesses. Spoon length: 12.7 cm, 2 pieces Fork length: 17 cm, 2 pieces Knife length: 17.5 cm, 4 pieces Thank you for your understanding.