Lot includes (2) 2 blocks of 4 stamps Hong Kong  1966 WHO Headquarters Building (plus 2 attached) #229; 1 plate block of 1968 Human Rights #247; and 1 plate block of 1962  Queen Elizabeth  #205

Stamps were found in a postcard collection from a family of missonaries who lived in Hong Kong & China in the 1960's-1980s.  They appear to be MNH. I'm a postcard seller and not a stamp guy, so you'll have to judge by the pictures.  The postcards that came with these stamps would lead me to believe these are authentic.  They were stored in cellophane envelopes.