Hoard of aerogrammes found - ideal for social writing or for putting on parcels.

Aerogrammes have not been issued by Royal Mail for many years but they can still be used. Originally they could be purchased singly, or in packs of 10, or promotional packs of 6, some of which contained a surprise pictorial edition behind the five plain ones. I wrote about the inception and early history here . They all had a face value until Christmas 1988; after that most had a non-value…