Dating mccoy pottery marks
Standard glazes were a matte white, a dark matte green and a combination of a brown and green color.
This last color glaze was offered in a very dull matte and a somewhat glossy.
The Blended Glaze era spanned through several years from the '20s through the '30s.Some were sold to lesser extent in matte blues, gloss and matte yellows; some continued into the early '40s, offered in the pastel glazes from that period.Many pieces during the Blended Glaze era were sold in Onyx finish.Sometime in 1907, the Pottery started to add finisher numbers to either or both sides of the double AA logo.
Van Briggle Pottery produced between the later part of 1907 through 1912 is typically marked Van Briggle, Colo Spgs (or Colorado Springs), as well as finisher numbers to either or both the left and right of the double A logo and the design number below Colo Spgs.The 1920s pieces are characterized by clay that is sandy colored with either a grainy appearance or a buff bottom.