Stampless cover with black "NORTHFIELD FARMS/MS." cds, and with "C.T.B., PM free", Postmaster's free frank, addressed to J. Rankin, at Erving, Massachusetts, and with red "ERVING/MS" receiving postmark at bottom left.A nice cover with 2 scarce postmarks, dating from circa 1859 (the only year listed for the Northfield Farms postmark in the American Stampless Cover Catalog), and with an unlisted type Erving, Mass postmark. The postmaster who signed with his initials was Charles T. Brown. Fine-Very Fine. COMBINED SHIPPING FOR MULTIPLE ITEMS.