1978年NASCA拍卖目录,Sidney L. Olson藏品及其他巴勒斯坦,以色列及犹太教钱币专集,保存完好。 Numismatic and Antiquarian Service Corporation of America, auction catalogue for The Sidney L. Olson Collection and Other Important Properties of Palestine, Israel and Judacia Coins and Currency, 15.8.1978, in particular Lot 2114 which features a Palestine £100, 1927, first date of issuewell preserved