Portugal SC 4307a  .88€  7 May 21  Emys orbicularis  Endangered National Wildlife  Sheet of 2  $4.50  $4.50  Single $2.25  $1.10

Portugal – Madeira SC 390-391  .88€  7 May 21  Caretta caretta  Endangered National Wildlife  Sheet of 2  $4.50  $4.50  Single $2.25  $1.10

Romania SC  6636-6639, 6636a-6639a, 6636b-6639b Various  22 Sep 21  Geochelone elegans, Mauremys sinensis, Testudo graeca                             ibera, Testudo horsfieldii, issued as set and 4 m/s’s

St. Maarten  SC 193  190¢ 4 Jul 21  Chelonia mydas  One stamp from sheet of 10 Underwater World

From Stamperija:

Sao Tome and Principe SC 3541, SC 3560

Sierra Leone SC 5216, SC 5229, SC 5272a