Hello, I've recently inherited some knives that I know nothing about besides surfing the net enough to figure out they are "RAD"s. They come from the inlaws relatives, and to us due to a tragedy. We understand the grandfather was in WW2 very late, and apparently picked up a few souvenirs. Upon returning to the States, this vet sold some to buy furniture....then later regretted it and re-built his "collection" of 4 later in life. I don't know if these are originals or purchased later - real or fake. I have no desire to sell them, but they were in a box in the attic, so I'd like to know if they are real and should be treated better...or fakes. Thanks in advance!

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