NWA 10691 was recovered out of the Saharan Desert of Morocco in 2016. It consisted of a single small stone that was classified as a carbonaceous chondrite CK4. It is mildly-shocked at S2 and only lightly weathered at W1. There is not much of this meteorite available on the collector market (less than 90g).
Refer to the photo. The black centimeter cube is shown for scale and is not included. You are purchasing a small fragment like the one shown. Your purchase will include a labeled gemjar for safe storage.
From the Meteoritical Bulletin entry on NWA 10691 :
Northwest Africa 10691
Purchased: 2016 Mar
Classification: Carbonaceous chondrite (CK4)
History: Purchased by Aras Jonikas in March 2016 from a Moroccan dealer.
Petrography: (A. Irving and S. Kuehner, UWS) Well-formed, separated chondrules containing Cr-magnetite occur in a matrix with stained Cr-magnetite in addition to olivine, orthopyroxene, clinopyroxene and intermediate plagioclase.