Several of the rarest World War II battle and surrender documents, many out of the public eye since 1945’s VE Day and VJ Day, are going up for auction in an event to support international health groups aiding in the coronavirus fight.

The June 9 No Surrender to Coronavirus live online sale at Alexander Historical Auctions will feature the so-called “document that forced the surrender of Nazi Germany,” and that is expected to fetch $1 million for the charities.