UPDATE 1-U.S. Mint Eagle gold coin sales slide 37 pct in April

(Adds details) NEW YORK, April 30 (Reuters) - The U.S. Mint's sales of America Eagle gold coins in April fell 37 percent from March, while 2015 sales so far have dropped for the second straight year, government data showed on Thursday. The Mint said it sold 29,500 ounces of American Eagle gold coins in April, down from the 46,500 ounces in March but still well above the 18,500 ounces in February. Sales for the first four months of the year have reached 175,500 ounces, down 3.6 pe