1965 United Nations International Co-operation Year

		Cat.	Mint Unhinged	Mint Hinged	Fine Used
4d	International Co-operation Year (ICY)	135a	$0.55	$0.45	$0.45

	First Day Cover - 28 September 1965	135b			$3.60
	… 4d (135a)

Bibliography

The Postage Stamps of New Zealand Volume VI

Edited by D. E. G. Naish FRPSNZ and K. J. McNaught FRPSNZ FRPSL

Publsihed 1975 by The Royal Philatelic Society of New Zealand Incorporated

Pages 147 - 148, 151

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