@SFOMuseum Twitter Posts Tagged Philately This is SFO Museum's archive of the @SFOMuseum Twitter account. There are 4 posts . See all the tags or all the Twitter posts that have been archived so far.

Did you know that in addition to our current exhibition on airmail, “Airmail Down Under” our online database also has over 1,600 airmail flight covers! Check them out here: https://t.co/mG2lERQIhN #AvGeek #Philately #Aerophilately #museum #collection This tweet was posted on November 01, 2022.

See “Airmail Down Under” on display, pre-security, in the Aviation Museum and Library and online at: https://t.co/BfYpDTGIo5 #AirmailDownUnder #AvGeek #philately This tweet was posted on August 30, 2022.

"Absolutely Sanitary US Postage Stamps" This #coinoperated machine from the early 20th century vended items for #mail correspondence outside of the post office. #philately This tweet was posted on June 28, 2018.

In the past, special airmail stamps have been made for inaugural flights. https://t.co/keqN1DVltw #avgeek #philately This tweet was posted on November 10, 2015.