The rising cost of stamps has been fuelling an illegal black market where shoppers can buy them on eBay for a quarter of the price. First class stamps have risen from 60p to 67p in the past five ...

‌ READ MORE: Fraudsters using eBay to sell fake reviews for as little as £1 to boost business ratings We also found ­uncancelled stamps on eBay with a current face value of £65 for £29.99.