UBB.threads Forums Edged Weapons Miscellaneous Dagger Forum RLB Leader questions

Hello gents, I cannot narrow down the changing date from 1st to 2nd model but here are my three different models RLB leader daggers. I think at least the change itself is easily to be seen.
The first one an early WaA marked ALCOSO, doubtless a period converted 1st model.
The second one what I think a mid period (nickle silver parts but 2nd emblem) as 2nd model manufactured Klittermann & Moog.
The third one the afore mentioned, unmarked 2nd model with aluminum grip parts, manfactured as 2nd model.
Regards,