MS3848 GB UNIFORM 4d POST 1840 Turned Cover U4PP Life Assurance Smithfield London MEDICAL Report. A RARE USAGE within the brief UNIFORM FOURPENNY POST period. Complete EL (Entire Letter) folded to display both address panels.Very fine for an item of this type & period, see scans. The item "GB UNIFORM 4d POST 1840 Turned Cover U4PP Life Assurance MEDICAL London MS3848" is in sale since Monday, February 24, 2020. This item is in the category "Stamps\Great Britain\Covers\Pre-Stamp". The seller is "samwells-covers" and is located in Bath. This item can be shipped worldwide.