In philately a fiscal cancel – symbol [1] – is a cancellation on a stamp that indicates that the stamp has been used for fiscal (taxation) purposes.
[2] The stamp may either be a revenue stamp, intended purely for fiscal use, or it may be a dual-purpose stamp valid for either postal or fiscal use.
Fiscal cancels take a variety of forms: Examples: Postage stamps valid for either fiscal or postal purposes are often worth less when fiscally used than when postally used.
They are not, however, necessarily more common fiscally used than postally used.