Vintage, collectible set of 14 John M. Williams "Very First Piano Book" Flash cards and original folder.  Flash cards are on heavy card stock, each measuring 9"x12". Double sided with interpretation on the reverse.  Original folder measures 9 1/2" x 13". Cards in excellent preowned condition with only a few tiny stains as per photos.  Original purpose was to teach musical sight reading.  Although still appropriate for teaching, they would be great for framing, singly or in groups. Great size.  Also, could be used for scrapbooking or crafting wherever there is a musically themed project.  Folder in good condition with bumping to corners.