Ferentino
Ferentino was a first class distribution office, reporting to Frosinone. In 1871, the population of Ferentino was 10,287.
Ferentino, unknown date, pair and single 1 bajocco black on blue green 1852 pay the rate for a single letter between non-adjacent "direzioni postali" within the same "distanze." Roma arrival marking with indistinct date on back.