20th Anniversary Challenge Coin

The HDS’s first Challenge coin is now available. The first in a series of limited production collectible “Helmets in History” challenge coins produced for and sold only by the Historical Diving Society USA. Each coin in the series will highlight a diving helmet with a positive impact on deep sea diving.

These collectible coins are 1.75″ in diameter, are highly detailed, and will be a prized possession for years to come. Each comes in a soft PVC envelope.

The coins are individually are $15.00 (includes shipping worldwide). View the challenge coins here.

The coins can be purchased as a set for $60.00. The sets are numbered and when purchasing a set subscription you are guaranteed the same numbered coins in the series. The series will consist of 4 coins to be produced over a one year period. Sets can be purchased here.


Historical Diving Society Challenge Coin

Historical Diving Society Challenge Coin