(The indicated First Day Covers are preliminary samples, the originals may differ slightly from the picture).
Single – a total of three envelopes, each with one of the values issued, appropriately cancelled
M.I. Block – a total of three envelopes, each with a block of four with M.I. of the values issued, appropriately cancelled
Jumbo – a total of three jumbo size covers, each with 1 full sheet, appropriately cancelled
Triple – one jumbo size cover with all three UN stamps issued, appropriately cancelled by the offices in New York, Geneva and Vienna