2884633 is a 69-70 B body AM 8-Track. Correct for Charger, Coronet, Superbee, Satellite, Road Runner , GTX .
Also fits 68 , but 68 had a different vendor, different part # and generally had "Dodge" or "Plymouth" on the dial face.
2288 upside down at the bottom of the tag is your date code
(228th day of 1968).
Greg
Wards Classic Car Radio Repair Specializing in restoration and sales of Mopar A B E body radios We can restore YOUR radio usually in less than 7 days Visit our NEW website.. http://www.wardsclassiccarradiorepair.comgregward@mchsi.comphone 256-852-0955