1) Unmarked dagger, 10 3/8" long, 6 1/4" blade, German silver guard, ribbed wood grip, leather sheath and frog. Attributed by the consignor to the British Air Command in India. 2) Hugo Koller boot dagger, 10 1/2" long, 5 1/2" blade, steel guard, ribbed wood grip, metal sheath and leather hanger. 3) Koller boot knife, 10 1/8" long, 5 1/4" blade, green painted smooth grip, otherwise as #2. Fair overall.