This is a Block of 4 Newfoundland 1910 SG 46, the 1 Cent stamp!  There are a couple of varieties of SG 46 shown, including 46a and 46b.

The upper pair shows the listed varieties of 'NFW' in Newfoundland, and 'JAMRS' as James.

They are all Mint with Original Gum and in Very Fine condition!  This is a rare and good positional piece, and is valued at L208 in the Stanley Gibbons Catalogue.

This item is over $100 USD so I will ship it using Priority Mail in the United States, and Registered Mail Overseas.  This is to ensure that it reaches you in a safe and timely manner!