6.20 and are program disks 1 through 5. In fair cosmetic condition, with scuffs, wear & tear, foxing, marks etc. Disks are untested and are not guaranteed to work. These are the only ones on the market - don't let them get away!Powered by SixBit's eCommerce Solution. The item "Vtg 1988 SBT Database Accounting Library for IBM PC MS-DOS 2.0 5.25 Floppy Disk" is in sale since Sunday, June 24, 2018. This item is in the category "Computers/Tablets & Networking\Vintage Computing\Vintage Manuals & Merchandise". The seller is "panhandlesurplusllc" and is located in Borger, Texas. This item can be shipped to United States.