VX-1 3-9x40 Matte, Duplex, for $199 or less.

If you factored in inflation, this scope is significantly less expensive than its great-grandfather, the Vari-X of the 1960s, and much improved optically speaking. One of my older Leupolds is a 3-9x40, #88911, that has traveled back to Oregon once, when some of the internal lens coating began to flake off, but is still a pretty serviceable rifle sight at least 43 years after it was originally sold.