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Collection of receipts from Thompson, Mason & Co, dated 1912 - 1913, for stock commissions. Also includes a letter dated 8 September 1957 from Rupert Mason to Svend Helmstrup, in which Mason informs Helmstrup that Beach Thompson gave him the Poulsen Wireless Telephone & Telegraph Company seal, and if Helmstrup has a chance to please ask Cyril Elwell what should be done with it. The seal is imprinted in the lower left hand of the letter.
Poulsen Wireless Telephone and Telegraph Company Seals (Impressions) Stockbrokers Thompson, Mason & Co Elwell, C. F. (Cyril Frank) Helmstrup, Svend Thompson, Beach Mason, J. Rupert