The tank
As you read on the last page, the German collector was forced to give away or sell this beloved piece of his collection. One interested buyer was a museum in the United States that liked the idea of having a Panzerkampfwagen V in their collection.
The tank is in high demand because according to historians, it’s the most efficient armored vehicle from that time. The other weapons the man owned paled in comparison. Numerous German collectors were interested in the historical weapons.
There was also, of course, the question of how the man had ever been able to purchase the tank…