300 x First 1st Class + 100 x Large 1st Class. Totally 110% genuine with all printing codes, dates and security measures, which you should always look for and insist on! Every genuine large sheet has a code and print date on reverse as photo shows.
And remember if in doubt, consult your local Post Office for comparables and authentication. Please check out my feedback and other items on sale. The item "300 x First 1st Class + 100 x Large 1st Class. Save 10% Read" is in sale since Friday, November 20, 2020.
This item is in the category "Stamps\Great Britain\Elizabeth II\Decimal (1971-Now)". The seller is "contact_wright" and is located in Portsmouth. This item can be shipped to United Kingdom.