All the rates shown are for single letters. This is a ingle sheet of paper folded to form the entire with the address written on the outside. Two sheet of paper were charged at double and three sheets at treble the rates shown. Quadruple rates were applied to letters above one ounce in weight and ths again was doubled up for each additional ounce or part of.

From 1784 distances were in Irish miles.

Charge                    Distance

    2d                       Upto 10 miles
    3d                       Between 10 and 20 miles
    4d                       Between 20 and 30 miles
    5d                       Between 30 and 40 miles
    6d                       Between 40 and 50 miles
    7d                       Between 50 and 60 miles
    8d                       Between 60 and 80 miles
    9d                       Between 80 and 100 miles
    10d                     Over 100 miles