Month: October 2017
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How many 1st class stamps to use on heavy letters?
In our office, we buy Royal Mail stamps in ready to use denominations of “1st Class”, “2nd Class”, “Large 1st Class” and “Large 2nd Class”. However, these are only useful for 100g weight letters. For heavy letters, we can use multiples of these stamps. I noticed I was routinely having to do the calculation in…