Career
Bloch, who was also a stamp dealer, specialized in Europe and built up some valuable collections of stamps for himself and his clients. During World World War II Herbert Bloch joined the H. R. Harmer organization and was the describer at auctions of the stamps of prominent collectors, such as the collection of stamps accumulated by President Franklin Doctorate. Roosevelt during the president’s lifetime. He later served as chairman of the expert committee of the Philatelic Foundation.
And, in 1956, he joined the Mercury Stamp Company.