Reprinted Machin definitive stamps Special Delivery service - 2016 reprint
To satisfy an operational demand at Post Office counters, Royal Mail in 2010 produced two new definitive NVI stamps which pay the Special Delivery up to 100g, and 101-500g rates.
Reprinted on 01/02/17 with M17L year code.
SG U2985 (as used for the original issue)
The stamps are printed in cylinder sheets of 8, 2 columns of 4.