Special auction

Nicaragua: 1933, definitives three different stamps 6 on 10c. dark brown, 8 on 15c. olive brown and
1933, definitives three different stamps 6 on 10c. dark brown, 8 on 15c. olive brown and 25 on 25c. orange in blocks of four all with black opt. 'Sorreo Aéreo Interior Vale $ …' and additional punch holes and red opt. SPECIMEN (American Bank Note Co.), mint never hinged and scarce