Bidspirit auction | 3-1/4” Agate Basin - Stermer/Partain

3-1/4” Agate Basin - Stermer/Partain COA's - Pretty example in Oolitic Chert or Silicified Sand from Cooper Co., Missouri. Ex R.L. Crawford Collection. Stermer (2007) and Partain (2006) COA's. Nice!