Amusement, not profit, was Cowper's aim; he rather rashly gave away his copyright to his publisher, and his success does not seem to have brought him money in a direct way, but it brought him a pension of 300 pounds in the end.
In the meantime it brought him presents, and among them an annual gift of 50 pounds from an anonymous hand, the first instalment being accompanied by a pretty snuff-box ornamented with a picture of the three hares.

From the gracefulness of the gift, Southey infers that it came from a woman, and he conjectures that the woman was Theodora..