When in Seoul, there's a little "members only" club in the Dutch Embassy that you'll have to visit. More on that later.......
There's a fellow named Pierre Cohen that has the exclusive import rights for Cubans in Korea. Pierre is a good fellow and a casual aquaintance. He will set you right. The ONLY cubans in Korea that are guaranteed legit will have his stamps on the store window.
Send your humi's.....the Army will take care of them. If not file a claim and get new ones....