A gold coin pendant with the image of Hello Kitty holding the number 50 is selling for about 120,000 yen ($800), while a Casio watch costs 18,700 yen ($120). But first, more on the origin story.

50 Extremely Rare Historical Photos That Show Just How Much The World Has Changed Over The Last 100 Years 2.Someone had to hand-carve all of the presidents' eyes on Mount Rushmore: 3.Tourists used to ...