Correo Uruguayo issued a mini-sheet to commemorate World Tourism Day – Rural Development on 30 Sept 2020. While none of the stamps depicts a lighthouse, Cabo Polonio Lighthouse is shown at the lower right part of the sheet. This lighthouse, built in 1881, is a major approach light at the northern entrance to the Rio de la Plata
Cabo Polonio L/H | 30 Sep 2020 | G0662
See more lighthouse stamps from Uruguay here