Hong Kong 1968 C19 Human Right Year Cpt Set Block of 4 Corner No. Our responsibility according to Hong Kong Post Office Guide. The item "Hong Kong 1968 C19 Human Right Year Cpt Set Block of 4 Corner No. MNH OG" is in sale since Monday, December 14, 2015.This item is in the category "Stamps\British Colonies & Territories\Hong Kong (until 1997)". The seller is "bcphila" and is located in HK. This item can be shipped worldwide.