Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more . (CNN) — Ten gold bracelets, 17 cigar cases, a powder compact, a comb, and a whopping 598 gold coins: The items are all part of a valuable and somewhat mysterious stash, found by chance by two hikers in the northeastern Czech Republic. The hikers, who wish to remain anonymous, were taking a shortcut through the forest in the Krkonoše Mountains — a