FormerLackeyN: It has been brought to Groundspeak's attention that this cache is placed in a highly sensitive location. A cache on a mail collection box can be seen as a security threat. The cache placement guidelines state "Caches near, on or under public structures deemed potential or possible targets for terrorist attacks. These may include but are not limited to highway bridges, dams, government buildings, elementary and secondary schools, and airports." Therefore, this cache is being archived.