1989 was a big year for Ty, the entire series underwent a lot of change from summer 1989 to summer 1990. This also included the introduction of the second generation hang tag that defined the company all the way to 1995.
The standing dogs, Max and Scruffy went from plastic nose to flocked. The remaining dogs and standing bears had several changes in the material used for their nose from leather to painted canvas. The bears also went to a plastic nose. The dogs went from a single sided flocked fabric that was later sewn into a double sided flocked tongue.
Several styles with a traditional ^ shaped stitched mouth were given stitched smile. This would include all of the seated bears, wild cats, pigs, and lambs.