Full tang korean sword?

i am studieing a the martial art tang soo do and i need a korean sword full tang my grand master has taught me basics with some weapons (they show us basics and how to hold them and let us develop our own style because they know we wont have a real traditional weapon if we fight in the streets) well ive learnd some bo staff (i play with one its my prefered weapon) i love my katana (im not the best at it id never try to use it properly against a kendo student (id fight with proper strikes but use mostly grapling) i learnd the nunchaku strikes (the proper striking method not flare) how to manipulate the three section staff and ive messed with butterfly swords and sai but there to unweildy i prefer 2 handed weapons or one handed swords (not useing 2 at once because i have little cordination with my left hand when holding a weapon) any way does any one know where i could get a cheap but full tang korean or similar to a traditional korean sword (im not gona go slapping trees with it i just need something to practice my cutting im going to talk to my instructor to show me the proper form and style) and yes we call him by his name not sensei as he is our friend as well as our instructor i find him like a father to me so im not showing him disrespect (i had an issue with some one on yahoo answers for replying to him as instructor and his name even tho it was non of their buisness)