The 1899 50-cent coin from Newfoundland (a British colony at the time, now a Canadian province) is part of the Victorian-era silver coinage series, struck during Queen Victoria's reign. It's composed of 92.5% silver (0.925 fineness) with a total weight of about 11.83 grams, containing roughly 0.35 troy ounces of pure silver, and measures 30.1 mm in diameter.