I have three of these, great for someone who needs to run a monthly or longer service schedule and does not want to use a computer to do it. I also have a ton of T-Cards.
$75.00 plus shipping for each board. These are large boards.
Below is what I found online, except mine hold 424 cards each, 53 slots on each section.
#3 T-card rack- 400 card capacity FROST
Wall rack for #3 size T-cards- 8 columns, 53 slots each. Includes supports to lock panels together, space for labeling column headings and wall hangers. Includes instructions for assembly. FROST