These sheets don't have a batch number on the back, which can be seen in the pictures, but I have checked them with an ultra violet light and these stamps are perfect. The item "Royal Mail First Class Large Letter size 1st Class Stamp Sheet 50x2 (100 Stamps)" is in sale since Saturday, February 13, 2021. This item is in the category "Stamps\Great Britain\Elizabeth II\Decimal (1971-Now)". The seller is "garbarnf" and is located in Londonderry.
This item can be shipped to United Kingdom.