5 1/4" wide x 2 15/16" tall Double Crescent Slate Bannerstone found in Michigan. Pictured!

5 1/4" wide x 2 15/16" tall Double Crescent Bannerstone made from Mottled Slate. Found in Michigan. Ex. John Baldwin, Ken Spaulding, Ron Helman, Garry Mumaw, Jim Beckman. Pictured in "Who's Who" #9, page 187.