Cuba C33 sheet bent

Cuba C 33 sheet of 4, MNH bent, $32.00 as four C33a MNH stamps. Michel Bl.2. Air Post 1940. Centenary of 1st postage stamp, 1940. Sir Rowland Hill, Map of Cuba and 1st Stamps of Britain, Spanish Cuba and the Republic of Cuba. The presentation holder might by in English or Spanish.