cover 3c Brownish Carmine (11), clear to large margins, small scissors cut at top left, tied by blue "Haverhill, Mass. Jun 15" c.d.s. on small neat illustrated ad cover (printed in blue on yellow cover) to Mast Yard, N.H., corner card for Dr. Montgomery's Medical Agency with partly printed address, printed overall design on reverse showing seated physician with medical books and various potions, couple small sealed cover tears, opened to show both sides, very fine, a gorgeous illustrated ad cover photo