Sopwith Military Plane London Linnean Society Hand Signed FDC

STB010 This is a rare collectors official limited edition Sopwith first day cover hand signed by MG Tompkins historic Air Commander of the RAF. He has personally signed the souvenir where the signature rests perfectly accompanying the special hand commemorative frank. There is a second autograph on the reverse from the RAF too for full authentification and to accompany its individual limited edition number from the series.  You will never get a better autograph lifetime COA than this listing as the signing has been officially certified by the publishers and is in absolute mint condition.