Germany. (France). 1873. Envelope addressed to France bearing Germany Yvert 17, 2kr blue tied by horse-shoe Metz date stamp '30th June 73' with 'Allemagne/ Paq Nancy' French entry cachet in red and framed 'Affranchissement/ Insuffisant' in violet (type not listed by Van der Linden) and rated '4' in m/s with Nancy arrival. Superb item for the collector of underpaid mail with Affranchissement Insuffisant not seen in violet.