Centenary of Uruguayan railroads

Set of 2+2 stamps.
Mi.No. 1144 - 1145, 94 - 95 Uruguay, Paketmarken.

ontinuous design and label between pairs

6+6p: Old steam locomotive and modern railroad cars
6+6p: Old steam locomotive and modern railroad cars. surcharges 1p. ( 6.11.1972).