Proof 1965 (June) 20th Anniversary, 5c. and 15c. imperforate proofs in issued colour -- two sets on presentation cards both marked "3rd Proving", one "Approved letter 7-12-64", the other "Approved" by the U.N. Postal Administration, and four mock-ups for the miniature sheet, each with imperforate proofs of the two values attached, and with various notations regarding perforation and border colour.