A German Slither Ty Beanie Baby Sold for $404.99 on 9/17/2013 on eBay. It had a 3rd gen hang tag with 1st gen tush tag. MWMT!
Slither the snake was issued on June 25, 1994 and was retired on June 15, 1995. Slither the snake was produced with a 1st, 2nd and 3rd generation hang tag. According to Checkerbee's Summer 2000 Value Guide for Ty Beanie Babies, a 3rd generation Slither the snake with mint tags is valued at $1,550. In 2000, a slither Beanie Baby sold for $500.