gobabushka

I have my '83 Nissan 720. The cab is in great shape, and the engine runs like a song. However, the bed is another issue. I have the classic rust spots on these beds, and am not sure where to start, nor can I find ANY bed parts anywhere. Be it junk yards or online. Can anyone offer any sage guidance on this? Thanks!

OK first off, I'm new to the forum! I managed to back my poor 83 720 into a Chevy with a tow hitch :( The body damage is a dent in the tailgate, but manly a really bent rear bumper / valance. Now, could I bolt on a bumper from an early hardbody, or where can I find bed parts/bumper/valance. Any input would be greatly appreciated. Thanks!