Natal 1874 QV 1/- Revenue Ovptd on Letter to Ireland

1874 QV Revenue 1/- purple-brown ovptd POSTAGE (SG 63) used on envelope from Pietermaritzburg (GPO cds 22 10) to Ireland. The adhesive well tied by good full strike of numeral 1 cancel. Backstamped on arrival DE 3 74. F, scarce.