Fiberglass ones are about $400 each, plus shipping. I think a $1000 for a pair of metal ones in very good shape, is not to much to ask. Even if you found a pair for less elseware, i would think the shipping charge would be crazy. Cecil.........

1953 GMC 5-Window Longbed Gallery page
1946 Chevy 1/2-Ton
Webshot photos, including 1951 GMC 1/2-ton