Size of the new Barcode stamps

[Florallle]

It’s discussed in this thread, (fast forward up to 4th March):

[Stamps] UK stamps, prices, Royal Mail & Post Office matters

Keep an eye on https://www.royalmail.com/prices2024 - there, they’ll have the postage rate leaflets to download Current rates, hopefully valid for a while (Royal Mail need to give 30? days notice). Postage rates from 2nd April 2024. 1st - £1.35, large £2.10 2nd - 85p, large £1.55 Surface mail / International Economy, 100g to outside Europe, £2.20 Airmail / International Standard, 100g postcards/letters, £2.50 There is a minimum size for international mail. “One surface must be at least 9…