Miscellany 1) Manuscript notes. 2)Altman & Cherny Pty. Ltd. invites to an opal cutting demonstration. 3) Ross Hamilton Opal's Pty. Ltd. offers a discount on opals and opal jewellery to overseas delegates of the Congress. Date: 14.10.1980 Original document language: English Organizations: IFIP, Ross Hamilton Opal's Pty. Ltd., Altman & Cherny Pty. Ltd. Persons: Elazabeth Owen
