Vintage NEW Set of 2 MCG English Hand Cut Crystal Sherry Liquor Cocktail Glasses 6"
My friend who recently passes at 94 purchased these in England back in the 1950's, put in her china cabinet and never used. Original sticker is on both glasses.
Below is information I found on the web about the company that made these glasses.

MCG - Metropolitan Crystal Glass Works Ltd

1955 to ? (Dissolved 2005)
Sold at St Paul's Cathedral 
Factory 34a Pottery Lane, Holland Pk London W1
Sales 48 Kensington Sq
Company in 1959 listed a full range of domestic glassware and novelties, plus hotel ware.