This is a set of 4 General Electric Carousel of Progress lithographs signed and numbered by each artist. The first is Carousel of Progress Act I by Sam McKim shows life at the turn of the century with electricity, #25/150 and hand signed. The second is Carousel of Progress Act II by Sam McKIm showing life in the teens and 20's showing how far technology has advanced, #25/150. The third is Carousel of Progress Act III by John Hench showing life at home in the 1950's #25/150. The fourth is ACt IV and shows life in the future #25/150.The four pieces measure 25"l x 10" high and come in the folder, they are in excellent condition. The extra piece is a music sheet There's a Great Big Beautiful Tomorrow signed by Richard Sherman and dated 2/21/98. This is also in excellent condition. The COA are also included. I will mail flat with foam core on the front and back. I have 100% positive feedback and always take care of the customer.