OM-0015 Old Masters Muslin Backdrop. Old Masters Muslins are hand painted-not dyed. Each one is a work of art painted in the style of the old masters. Note On the Free Muslin Offer: This offer applies to any in stock Muslin Backdrop. It must be of equal or lesser value than the one selected. Some choices may be sold out. If that is the case, we will notify you so you can make another choice. Please list the SKU, size and name of the free muslin desired. It need not be another Old Masters Muslin. I can be any other Muslin Product on this site as long as it is of equal or lesser value.