If that pile of snot is worth that much my 2950 is worth 3x it
In reality, that radio is one of Radio Shack's finest. Seriously. The 457 & 458 use the 858 PLL chip and board. But it isn't worth what this guy is asking for it - even if it was new/minty in the box. No more than $250 if it was mint.
Some people will just test the limits of other people's foolishness - and their wallet . . .