This is a set of four Romania 1911 Taxa de Plata MNH stamps, optd Timbrul Aviatiei. The stamps come in block width and height of one stamp each, with a face value of 1 leu and 2 lei. They were issued as fiscal and revenue stamps, and are of very fine/extremely fine grade quality. The colour of the stamps is black, and they were issued in Romania in the year 1911.