Tuber magnatum pound ($2200–$4800 per kg); as of December 2009 they were being sold at $14,203.50 per kilogram. In November 1999, what was then the largest truffle in the world was found near Buje, Croatia. The truffle weighed and was entered in the "Guinness Book of Records". The record price paid for a single white truffle was set in December 2007, when Macau casino owner Stanley Ho paid $330,000 (£165,000) for a specimen weighing . One of the largest truffles found in decades, it was unearthed near Pisa, Italy, and sold at an auction held simultaneously in Macau, Hong Kong, and Florence.
Seibel S-4 aircraft were dropped from the inventory and returned to Seibel in 1952. Seibel S-4 The Seibel S-4 was a two-bladed, single-engine helicopter built by Seibel Helicopter. Designed by Charles Seibel, the S-4 was evaluated by the United States Army under the designation "YH-24 Sky Hawk", but would be rejected for service. The S-4B would serve as the basis for the design of the Cessna CH-1 Skyhook, the only helicopter Cessna ever produced. Charles Seibel began development on the S-4 after forming the Seibel Helicopter Company with funding from local Kansas oil investors. The S-4 was a continuation of his work