77 AM 1.13.101. Thin-Walled Ware. Base. Form 2a/5a. Form 2a/5a has a flat and low disc-shaped base. Base fragment with sand decoration containing quartz externally. H. 2.6, W. 4.7, T. 0.4, Ø 4.6. Fabric 2, 5YR 4/2 dark reddish gray. Impure, coarse coating externally, 5YR 5/3 reddish brown, and internally, 5YR 4/1 dark gray