UNITED NATIONS (1970) Power lines*. Mekong river*. Map of delta*. Set of 10 imperforate progressive proof pairs. Scott No 205, Yvert No 199. Lower Mekong River Development. From the UN printer archives. Rare!
AVAILABLE AT $100
UNITED NATIONS (1970) Power lines*. Mekong river*. Map of delta*. Set of 10 imperforate progressive proof pairs. Scott No 206, Yvert No 200. Lower Mekong River Development. From the UN printer archives. Rare!
AVAILABLE AT $100