One of the rarest documents I will ever handle. Until now no original design blueprint of a Mark I tank was known to exist. Alongside the patent specification, the “birth certificate” of the tank, it will be offered for sale at The Temple Auction Rooms next month. #tank pic.twitter.com/1HgtUdTosz
— Paul Laidlaw (@ThePaulLaidlaw) January 21, 2022
RT @ThePaulLaidlaw: One of the rarest documents I will ever handle. Until now no original design blueprint of a Mark I tank was known to ex…