Rarity of this item would be SCARCE. Explained below.
No price information, as I have no idea of its new price and have not seen any sold to know what else has been paid for one of these.
This is one of those "all in one' systems marketed by Panasonic. What makes this one a bit scarce is that it was only available in the European PX. I bought this one about 8 years ago at a 'junktique' store in West Memphis, AR for $60. The gentleman who sold it to me said his older brother had bought it when he was in Germany in the '70's. The service manual that I have since gotten also notes it as a 'European PX Only' system.
Features are: Cassette Play/Record; LP Record Changer; AM/FM/ FM Stereo receiver with inputs for 4 channel FM broadcast; 8-Track 4 channel play/ 2-channel record.
The 8-track also came with what was called "Pana-Ject", which was its auto-eject feature.
This system also had a manual switch which selected "Stereo/ 4ch matrix/ 4ch Discrete". The 8-track player does not have the 2-4 channel switch in the tape player itself, like most quad 8-track units. This is like a souped-up version of the Panasonic RS-862S, which I also have one of.
The 'up-close' picture of the 8-track part would not upload, so I'll fix this later, if anyone is interested.
Biggest problem I found is that the tape head 'up-down' mechanism can stick and freeze over time. I've had this on the '888 and the '862 (basically, they have the same mechanism).
This one I have was also neglected. The record changer was badly abused and still needs to be fixed/replaced. I'm also missing the dust cover for the top of the system.
Before I acquired my Pioneer QX-949A amp, the '888 was my big, bad system. At the time, I was running a Marantz CD-400 demodulator with this for my QuadraDiscs.
To make a short story long, I hope this may be seen by someone who was overseas in the military back in the day, and either bought or knew of this system.