What's 'Sears Silvertone international radio' Worth?

Description

I'm looking to find out what 'sears Silvertone international radio' is worth.

Anyone's knowledge here would be greatly appreciated.

[Case is brown. Red label (inside) reads: B544784, Sears Chasis # 528 33200. There's another gold label on the inside of the cord storage, located in the bottom of the radio. Cover flips up to reveal 2 tuner knobs to choose from 2 short wave, 1 standard & 1 navigation waves. Inside cover is international time zones map.