I always advise people to collect objects that chronicle a historic event or relate to historic figures. It has been proven that in the market for art and antiques, these types of objects will hold their value long term. So, what’s more historic than the story of our nation’s presidents? When it comes to collecting American history, many objects of note relate to the men who have sat in the Oval Office. Some of the most common collectibles relating to the presidential history relate to George and Martha Washington. For example, I have appraised Washington oil on canvas portraits, Mount Vernon…