Lot 1812 E(Unissued) Woodbridge, F., 4¢ black, die proof on India, on card, stamp size with ample margins to just into outer frameline, Very Fine.
Estimate $750 - 1,000.
ONE OF TWO KNOWN EXAMPLES OF THE F. WOODBRIDGE SPECIFIC HEADACHE BITTERS DIE PROOF ESSAY.
Another example, offer as unique in the 1991 Joyce sale, brought $2,400 hammer. Virtually nothing is known regarding this firm.