Question: how much does it cost to send a large letter first class?
Answer: The price of a First Class stamp varies depending on the size and weight of the item the sender wishes to post. A First Class stamp for a letter weighing up to and including 100g costs 70p, while for a large letter of the same weight, it is £1.06 First Class stamps for large letters of up to 250g are priced at £1.50.