Yesterday's change to postal tariffs meant little to ordinary users of the letter post, but those who send small and larger packets now find that the Packet and Parcel Post services have changed with some very high increases for bulky lightweight packets. This is because transportation costs vary by volume more than by weight. 1 kg packet that was £3.50 last week is £5.20 this week if over the size limits for a small parcel. (More on Royal Mail's website.)
Letters are now confined to ordinary and Large Letters (1L, 1LL, 2LL) and the 1PK. 2PK, and SP codes have been replaced by 1SP, 2SP, 1MP, and 2MP codes for small and medium parcels. As the size-based-prices system also applies to British Forces mail corresponding indicators of BSP and BMP were
Here are examples of some of the new indicators, including examples on white labels so that they can be seen more easily. As usual the changes exist in both English and bi-lingual versions. More on this website, where they are also for sale.
ROC ~ Black Print Rooster ATM Labels - Republic of China (Taiwan) Black print Rooster ATM labels with machine code 111, from Keelung post office.