It is a five sided box that must fit perfectly within a case (a six-sided box) and be removable on demand without binding or breaking either the drawer or the case.
To do so it must incorporate some type of suspension mechanism to allow it to travel in and out of the case.
Also check for a layer of patina or grime on the back surface.
Cracks and discoloration on either side are signs the painting has aged. Clue: Look at Markings, Labels, and Stickers Unless the artist took unusual steps to prepare their own materials, a painting’s canvas or art board was probably sold with stencilled markings or labels attached to the back.
Combine the data from a label with an artist’s dated signature on the front side, and you can estimate how long it took an artist to complete the work. Important paintings may have a series of labels to describe their exhibition history.
Labels also help in detecting fraud: a painting that bears an artist’s signature and date of 1950 on the front, but a manufacturer’s label from 1980 is probably a fake. In addition to showing a painting’s age, labels and stickers found on the back of a painting can indicate where and in whose hands a painting has been. Labels from international border and customs agencies are a sure sign that the painting has entered a new country.
Of course single drawers and combinations of drawers were made earlier but appeared usually as an adjunct to the lift top or dower chest which was the most common chest type in the that century.
Both registration and sign in support using google and facebook accounts. It is an understandable view, yet the reality is slightly different.Such works can be found at antiques fairs, car-boot sales or even in your garage.When it comes to evaluating paintings, you definitely need an expert.Paintings are original works of art and require special skills to authenticate them and to value them.