50 books of 12, plus 2 x 50 books of 6, all still security sealed. Totally 110% genuine with all printing codes, dates and security measures, which you should always look for and insist on! Unlike the unsealed books of 12, padlock books of 6 have yet to be counterfeited. Every genuine large sheet has a code and print date on reverse (see my other listing).
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 "1200 x First 1st Class stamps. Genuine Royal Mail with security seals.Save 10%" 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.