The Treskilling Yellow error of Sweden, after changing hands a few times, was acquired in 1937 by King Carol II of Romania. The "Bordeaux cover" of Mauritius "Post Office" stamps was acquired, at different time by collectors such as Sir Ernest de Silva, Arthur Hind, Alfred F. Lichtenstein, and Alfred H. Caspary. Caspary (a well-known New York collector) also acquired the only unused copy of the 2 cent Hawaiian Missionaries stamp, which had also belonged to Ferrary. The Buenos Aires “Barquitos” (Steamships) horizontal tête-bêche pair appeared in the Ferrary sale held on June 13, 1923. It realized FFr 37,600 (US $2,400) (including the 17.5% surcharge), an extraordinary sum for the time. It was acquired by Alfred F. Lichtenstein.