I was looking at this radio for sale...which is listed as a 1978, but the seller said he removed it from a 1968 Mustang. Surely it's not a 60's radio, but it does look like an early 80's. My 1980 owner's manual shows the same style back knobs too...
1994 F150 4x2 Flareside. 5.0 w/MAF, 4R70W, stock.
1984 F150 4X2 Flareside. Mild 302 w/ 5spd. Sold.
1980 F150 4X4 Flareside. 300i6 w/ 5spd. Sold in 2021.
1980 F100 4X2 Flareside. 351w/2bbl w/NP435. Sold in 1995