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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.

Another consistent characteristic of the pottery in the 1920s is the bottom markings VAN BRIGGLE and COLO SPGS with all words being in capital letters.

A common characteristic of the pottery produced during this period is a darker clay bottom (often referred to as a dirty bottom) and bottoms with glaze streaks and residue.

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