For the XVII Navy Conference Interamerica 1994 the Uruguay post issued a stamp of $3.70 which depict a frigate of the Uruguay Navy. The stamp is designed by Carlos Menck Freire.
Compare the stamp with photo’s she must be one of the Riviere class built for the French Navy of which three has been sold to the navy of Uruguay. Which frigate is showed on the stamp is not sure there is not any pennant No on the hull.
The following ships of this class has been sold to Uruguay and were renamed.
ROU GENERAL ARTIGAS (2} she was decommissioned in 2005.
ROU MONTEVIDEO (3) she is decommissioned, when?
ROU URUGUAY (1) still in service 2015.
On the class is given by Wikipedia:
http://en.wikipedia.org/wiki/Commandant ... ss_frigate
Uruguay 1994 $3.70 sg2146, scott1521.