Crete in Chains
Genuine/Reprints: Thick line between the top frame and the frame with Crete in Chains.
Visible frame around the stamp
Forgeries: Two thin lines between the top frame and the frame with Crete in Chains
No visible frame around the stamp
King George of Greece
Genuine/Reprints: Two thin lines to the right of the top frame
Visible frame around the stamp
Forgeries: One line to the right of the top frame
No visible frame around the stamp