2¢ on 20¢ Red used with 'REUNIO N' variety, There is a small amount of thinning as seen from the back mostly. F-VF (Image)

Estimate 75 $

2¢ on 20¢ Red pair used, left stamp with 'RUENION' error, Stamps exhibit the Type "d" opt. The left margin of the left stamp is tight and touches the frame line. There is a single short perf on the right stamp along the bottom. The left has two small tears which can be seen from the back F-VF (Image)

Estimate 55 $