Hamburger examples include the rice burger, where the bun is made of rice, and the luxury 1000-yen (US$10) "Takumi Burger" (meaning "artisan taste"), featuring avocados, freshly grated wasabi, and other rare seasonal ingredients. In terms of the actual patty, there are burgers made with Kobe beef, butchered from cows that are fed with beer and massaged daily. McDonald's Japan also recently launched a McPork burger, made with U.S. pork. McDonald's has been gradually losing market share in Japan to these local hamburger chains, due in part to the preference of Japanese diners for fresh ingredients and more refined, "upscale" hamburger offerings.
Rudolf Hamburger copies were sold. The East German authorities invited Rudolf Hamburger to exploit his new-found fame (if only as a bit-part player in his wife's success) by producing a volume of his own, but what was envisaged was a piece of propaganda controlled by the government, and Hamburger rejected the offer with an uncharacteristic absence of courtesy. He was nevertheless furious that Ursula's book concentrated on Ursula's espionage success. He felt that it unjustifiably played down his own contribution to their espionage partnership between 1930 and 1940. It may very well be that after this he redoubled his own work on