The American Helvetia Philatelic Society (AHPS) is an organization dedicated to the study and enjoyment of the stamps and postal history of Switzerland. The AHPS holds an auction three times each year. Participation as buyer or seller is restricted to AHPS members. For membership information, please contact Paul Sobon at

The stamp lots for auction number 191 are shown on this page.  This auction offers a great variety of early Swiss stamps and a large number of 19th and 20th century material that should appeal to all of our members.

The deadline for bids is August 10, 2024. For bidding instructions and the lot descriptions, please click here –> AHPS #191 listing The auction and lot descriptions are also published in the AHPS journal, Tell.

The first catalog number in the description is generally the 2023 Schweizer Briefmarken Katalog (SBK), followed by Scott (S) as appropriate. Values are from the 2019 Zumstein catalog. Airmail covers are listed and valued per 2013 Schweizerisches Luftpost-Handbuch where appropriate. Catalog values are converted to US dollars at the rate CHF 1 = US$ 1. Although the Swiss Franc is a little higher than the US Dollar it makes pricing a lot easier.

Bids may be sent to the Auction Manager, Gerry Diamond, at . Bids will be quickly acknowledged.