10x Pro Mold Goudey 1948-49 Leaf 2nd Gen  w/ Sleeve Magnetic Holder One Touch PENNY SLEEVE INCLUDED. Introducing the hobby's first, non-graded, trading card holder that will hold a penny sleeve now in its SECOND GENERATION with recessed arrowhead corners! This holder provides 5 years+ of UV protection to prevent the card and autograph from fading, and Pro-Mold magnetic holders are the only ones that have UV certification.