Amazon has the 2-pack 1-pound India Tree Rainbow Pepper for $22 - 15% off with Subscribe and Save (can cancel anytime) = $19 with free shipping. Includes four premium peppers: Tellicherry Black, Madagascar Green, Malaysian White, and East Indian Pink.
That is a lot of pepper. Maybe if you ran a restaurant, you might need 2 pounds of pepper.
Dang, I need some mixed peppercorns. Not 2 pounds of them, though!
It is interesting how each has a distinct flavor. Probably take me 10 years to use so definitely not worth it.