I took some pictures tonight.
The white 3500 was out of my 1991 Sundowner. Its in good shape. The screen has a small scratch in the upper left corner not affecting its performance whatsoever and I didnt notice it until I had it out of the boat and inspected it very closely. You cannot see it any other time. (You cant even see it in this picture its so extremely small, but I wanted to disclose this!)
The black 3500 was out of 1997 Vista. Its in good shape too, except the outer lens has checking from sun/age. The black ring is held on with some kind of adhesive from the past owner.
Both work great and come with all necessary wiring/transducer plug/sound alarm. $100/each.
These are obsolete and I saw a new old stock one on ebay go for close to $300.



