Shown on the left is a CD 133 PATENT / DEC 19 1871 with the style number 2 on the reverse. This variant is not included in the 2007 price guide. Shown on the right is a CD 133 [020] (F-Crown) PATENT / DEC 19 1871 (R- Crown) 3 as identified in the 2007 price guide, page 87.