Yesterday while leaving the Show and Shine, a guy approached me and asked if I was interested in a stock AM/FM radio for my '68 Parisienne. I asked how much and he said make an offer.  He left me his number but before I call him I'd like to know what is a fair offer. Anyone know what they are worth? He also has the switch for rear speaker. 

Easily a few hundred dollars.  Working condition? etc.  From my Delco Radio Service Manual, for your 1968 B-body, Model # 7303302 is the AM/FM mono version,  7303362 is the AM/FM stereo version.  That's only helpful if the white paper sticker is still on the radio.  There are differences between model years, and body types so be careful.  The differences have to do with shaft length and heat sink location.

Thanks for those part numbers Clint. He said it came out of a rusty eastern '68 but I guess that doesn't mean it's original. I have an extra AM radio to compare it to for sizing anyway. And I have a '68 sales brochure with a picture of one. 

With any luck the label is on it which will identify the application.  Don't quote me on this, but I think maybe you turn the right bezel to switch from AM to FM.  

Either way, if it's in good shape, regardless of the model, it's worth a couple hundred bucks to someone.    I passed up on a $25 unit at a swap meet years ago that I should have bought.   I wasn't sure of it's application, but it had the label and I know it would have been worth something to someone.

Decoding GM radios 68-75...

As an Example the above,

Canadian 92BPB6

9 = 69

2 = Pontiac

B = Fullsize

PB = Pushbutton AM

6 = Revision # ?

So....

Late in the 1968 model year, Delco Radio adopted a standardized coding for GM-Model-Line radios which made it very simple to identify exactly what a radio is by features, make, and model year. 

Let's say the "Service Model Number" is: 

02GFM1 

1970 Pontiac Grand Prix AM/FM~Stereo 

The first digit is the model year of the radio;

 8 =1968, 9 =1969, 0 =1970, 1 =1971, 2 =1972, 3 =1973, 4 =1974, 5 =1975  

The second digit is the car line: 

1 = Chevrolet, 2 = Pontiac, 3 = Oldsmobile, 4 = Buick, 5 = Cadillac, 6 = GMC 

The third element is a letter which corresponds to the fisher body style the radio goes in: 

A - Midsized: Tempest, Chevelle, Camaro, ChevyII, Acadian, Skylark/GS [GTO not listed by Delco =Tempest, LeMans, GT37, T-37 Pontiac radio] 

B - Fullsized model: Bonneville etc. 

C - More than full sized: Cadillac Fleetwood. 

D - Rear control: Cadillac 75 

E - Toronado, Riviera 

F - Pony car: Firebird etc. 

G - Grand Prix etc. 

H - Subcompact: Sunbird etc. 

L - Opel 

T - Truck 

TTC - GMC truck tilt cab 

V - Corvette 

X - Compact: Nova etc. 

Z - Corvair etc. 

The next two letters indicate the type of radio: 

PB - Push Button AM 

FP - AM/FM mono 

FM - AM/FM~Stereo 

K - Fader Control 

MP - FM Multiplex adapter (second part of a two-piece radio) 

T - Stereo Tape Player (8-track) 

RV - Reverberation Amplifier 

FW - AM/FM/Weather band 

MW - AM/FM~Stereo/Weather band 

In 1970, integrated AM and AM/FM~Stereo/8 tracks became available which added a third letter - T or "AMT" or "FMT" In 1970 there were a lot of AM - 8 track combos sold, FM stations were still a rarity in parts of the country. 

Finally there may be a digit (1, 2) on the end which indicates a running change or revision number. 

About the ultimate was reached in the late 1970s with the model xxBFTC1 - An AM/FM~Stereo/8 track/CB unit in three pieces - the radio unit which went in the normal dash position, a CB unit which contained the transceiver electronics, and a control head/microphone. About as much as was ever put into a Delco radio. 

That's some really good info guys. Thanks.