Passage: The previous design of the flag featured a plain white field charged with the red couped cross.  However, it was later discovered that this flag was almost identical to the emblem of the International Red Cross, which had been adopted in 1863.  As a result of this finding, the Tongan flag was set at the canton of a red field instead, leading to the present design of the flag. The previous design, nonetheless, remains a national symbol of Tonga. The current flag of Tonga also has some similarities with the flags of Switzerland and Georgia.

Question: What is an example of an old design for the Tongan flag?
plain white field charged with the red couped cross