Issued today in 1978

Cayman Islands. Easter. Issued 20 March 1978. The stamps were printed together in miniature sheets and individually in sheetlets of six. A single sheetlet of the 15c was discovered with an extraordinary up shift of orange-yellow and black.

Issued today in 1980

Cayman Islands. Rotary International Anniversary. Issued 14 February 1980. The 50c exists missing black (royal cypher and value). Three panes of 25 stamps are known to have been affected, but it’s probable a fourth was also affected given the way the stamps were printed.