Leibinger Rotary 7 Digit Numbering Machine for GTO Convex 3/16" Backward Go to amazon.com Related posts Top gto numbering machine for 2022 FeatureLeibinger 7 Digit Numbering Machine7 DIGIT BackwardsConvex GOTHIC 3/16"BRAND NEW DescriptionRotary 7 Digit Numbering Machine Heidelberg GTO Circumference Convex 3/16" Backward Gothic Curved Base 21800-00003 PAU030007RTCGTO