In 2001, to mark our love of the all things weather related, we issued a set of heat sensitive stamps that changed colour before your very eyes..! #RMStampOfTheDaypic.twitter.com/E6P9pW1ix3

In 2001, to mark our love of the all things weather related, we issued a set of heat sensitive stamps that changed colour before your very eyes..!

from https://youtu.be/GuUaaPaTlyY
May 10, 2020 at 04:00AM