beautiful Sheridan! I would guess late 1987-early 1988.
My Bluestreak I bought new in 77.
If this helps- My Sheridan "C", {C for Cannon}I bought used a year ago from a pawn shop, NOT working $80Has this # 44XX49 (1985?)A very long soaking with ND #30 oilFixed itThis doesn't shoot stuff,It puts HOLES thru stuff$0.02