Identifying numbers 8313 a, b a. The Manchester Assurance Company, Fire Policy, for two buildings in Percy St. Portland. Insured Herbert Leslie Vivian, sum insured: No.1 - £30, No. 2 - £20, stock in trade: £135. Premium £-.18.11, 4/3/1931 to 4/3/1932. Printed form, details typed in. b. Envelope for a. brown, company envelope, hand addressed to 'H.L. Vivian Esq., Percy St. Portland'