Liberia #67a UPU - 1950 Imperforate Sheet

The 75th anniversary of the Universal Postal Union (UPU) is commemorated with this individually-numbered imperforate sheet of three stamps picturing the original UPU head-quarters in Bern, Switzerland, and the iconic monument at the present UPU headquarters. (Liberia #C67a) Save 40% off its $24 catalog value!