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The statement "In this function he was briefly the deputy of the Holy Roman Emperor Rudolph II in 1612, and he minted coins with the Imperial two-headed eagle on reverse to illustrate this point" is not entirely correct. He was perhaps deputy, and did have the double headed eagle on his coins, but the double headed eagle was not on the coins to illustrate the position of deputy. I own a 3 Kreuzer coin from Zweibrucken with a two headed eagle on one side and IOHA (Latin abbreviation for John) on the other, dated 1606 and pre-dating the Deputy position. Thus, the presence of the eagle could not be to illustrate a position he did not hold yet. Numismatists call the coin COR 779 or KM8 (from the Krause Mishler catalog). I also own other coins from the region with the imperial 2 headed eagle on 1 side and the local authtority's arms on the other side. Based on the frequency of this practice in various localities, I am fairly certian that this was customary to acknlowledge the dominance of the Holy Roman Emperor (in theory at least) on one side of the coins while illustrating the issuing authority on the other side. CoinChemist56 (talk) 18:42, 14 August 2011 (UTC)[reply]