Hong Kong MNH & Used Stamp Souvenir Sheet Collection High Value. This is Mint Never Hinged and Used collection of Hong Kong stamps both from the British Commonwealth era and the China rule era. The mint stamps in general are VF+ and MNH, but not every stamp was checked. Used stamps are generally FVF-VF or better. First Day Covers are clean and crisp. There are duplicates of some stamps and souvenir sheets included. Good for resale or just adding to your collection.