Earlier, the post office did not use any specific numbering system but this changed when they started using a rather simple system on their leaflets: xxxx--y where xxxx is the year and y is the issue number within that year.
This however, changed when they started using a rather simple system on their leaflets: xxxx--y where xxxx is the year and y is the issue number within that year. Earlier, the post office did not use any specific numbering system.
Earlier, the post office did not use any specific numbering system. This however, changed when they started using a rather simple system on their leaflets: xxxx--y where xxxx is the year and y is the issue number within that year.
Earlier, the post office did not use any specific numbering system. This however, changed when they started using a rather simple system on their leaflets: xxxx--y where xxxx is the year and y is the issue number within that year.