[4] He left England after encountering financial difficulties, and accompanied the marquis de Béthune to France.
The high prices which he put upon his works, and the bad use he made of his money, threw him into difficulties, and he was confined in prison for debt.
Some of the English artists, however, who admired his talents, liberated him, and he resumed his work, though with little advantage, on account of the extravagant price which he demanded for his pictures.
[3][4] "That the works of Volterman are at present in the highest esteem is sufficiently evident, from their being bought up by the best judges of painting, almost at any price."
—Matthew Pilkington (1798)[5] He surpassed, by many degrees, all the landscape painters of his time, in neatness of touch and delicacy of finishing.
In these views he constantly represents a large extent of country, diversified with hills, lawns, groves, and windings of the river, and comprised the most extensive scenes in a small compass.