This depends on the condition of the bill. In normal used condition, they are worth exactly $2. $2 bills dated 1976 and newer are the ones worth face value only. The $3/$4 figure is reasonable for bills dating back to the 1950s.
Klein thought he had, discovered the poison to be due to a disease of the cow. An epidemic of scarlet fever broke out in London in December, 1885, and the outbreak could be traced to the milk supplied by a herd in Hendon.
Epidemiology of Yellow Fever and Malaria. By 1904, medical researchers had established that yellow fever and malaria were mosquito-borne diseases. In Cuba, the Walter Reed Commission confirmed Carlos Finlayâs hypothesis and proved that the mosquito of the genus Aedes transmits yellow fever.pidemiology of Yellow Fever and Malaria. By 1904, medical researchers had established that yellow fever and malaria were mosquito-borne diseases. In Cuba, the Walter Reed Commission confirmed Carlos Finlayâs hypothesis and proved that the mosquito of the genus Aedes transmits yellow fever.