<#perf=perforation> holes that are larger than other perforations holes of the same gauge.  For example, <#scott=Scott> 1055 in the <#liberty=Liberty Series> exists with perforation holes of two different sizes (large and small) even though all are perforation gauge 10.  Compare: <#smallholes=Small Holes>.

a route, usually numbered, traveled by a <#rfd=Rural Free Delivery> carrier from the parent post office.

an <#essay> <#pull=pulled> from a <#tranroll=transfer roll> that has been partially cut way to remove unwanted elements of a <#design=design>.

a <#cover=cover> <#frank=franked> with only one <#stamp>.

<#perf=perforation> holes that are smaller than other perforations holes of the same gauge. For example, <#scott=Scott> 1055 in the <#liberty=Liberty Series> exists with perforation holes of two different sizes (large and small) even though all are perforation gauge 10.  Compare: <#largeholes=Large Holes>.