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 Richard T. Hall at

The lots for auction number 173 are shown on this page. The deadline for bids is August 20, 2019. For bidding instructions and the lot descriptions, please click here –> AHPS #173 listing  The auction and lot descriptions are also published in the AHPS journal Tell.

Bids may be sent to the Auction Manager, Gerry Diamond, at . Bids will be quickly acknowledged.3

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