Lot 293 Sierra Leone SG#342a 15c on 6d 1966 Surcharge on 1964 Map Design Self Adhesive Stamp, a VFNH Example Showing the "Extended A" Variety

A VFNH example of the 15c on 6d 1964 Map Design Self-Adhesive issue, on green backing paper, showing the constant "Extended A" variety in "Sierra".

Gibbons values this stamp at 10 GBP = approximately $17. The stamp offered here grades 84.