An airmail cover sent to Bannu Cantt, Pakistan, Via Karachi in December 2014, when the airmail rate was $2.50. The rate has been overpaid by 5c, by affixing three permanent stamps, which were worth 85c each in 2014, for a total of $2.55. Includes the Flag over Polar Bears definitive, the 2011 International year of Chemistry issue, and the 2010 Mental Health semi-postal issue. Karachi receiving backstamps. A nice use of the semi-postal issue, even if it is a few years late. Est. $10.
