A painting hanging in a French family's living room turned out to be far more valuable than just another trinket or heirloom.

Coins, trading cards, art and toys are some of the most common collectibles. However, there are lesser-known collectibles ...

The piece, titled Study of Reclining Lions, had been in the same family's possession for 150 years since the posthumous sale of the artist's studio in 1864. The work is set to go to auction where it ...