Kinzo's gold

Kinzo's gold is an element in referring to the ¥20 billion worth of gold Kinzo Ushiromiya allegedly received from Beatrice.

History
Kinzo claims that the, in exchange for his soul, the witch Beatrice gave him ten tons of gold.

Trivia
 Not adjusting for inflation, ¥20 billion amounts to only about $200 million by today's standards. However, adjusting for inflation, by 1986, when takes place, the gold is worth roughly $1.2 billion or around ¥100 billion. Furthermore, adjusted for inflation, by today's standards the gold is worth around $2.6 billion or ¥319 billion.