This attractive Official Souvenir Cover was issued by the New Zealand Red Cross Society (Inc.) to mark the 100th anniversary of the Red Cross, founded on the battlefield of Solferino in June 1859. The cover features a vivid printed cachet showing the Red Cross emblem superimposed on a globe, with New Zealand highlighted in red. Affixed is the 3d blue Red Cross Commemorative stamp, cancelled with a clear Invercargill postmark dated 3 JE 59. The reverse bears the official Red Cross imprint, confirming its status as an authorized issue. A well-preserved and desirable thematic cover for collectors of humanitarian, medical, and New Zealand postal history.