Latvia 2011-05-05 Mini-sheet
Latvian Post will issue a souvenir sheet commem-orating Struve’s Geodetic Arc. The May 5, 2011 issue, shown below, contains two single stamps, a 35 and 55 lat denomin-ations. A marker monument is shown in the 35 lat stamp. The center background of the sheet shows a theodolite possibly used for […]