Fifteen (15) eight inch floppy diskettes for Ohio Scientific (OSI) computer from 1979.  
Fifteen disks with sleeves, with cardboard file box, labeled as follows:

• Ohio Scientific Floppy Disk OS-65D V3.2 (MNHZ) 10/79
• Ohio Scientific Floppy Disk OS-65D V3.0 (STD) 4/79
• Ohio Scientific Floppy Disk OS-65U V1.1 (STD) 4/79 #5207
•  
• Head Cleaning Diskette (3M) – Apparently used 2x
• Memorex Flexible Disc 1S - OSI OS-DMS Sort #5076-H with File Directory on Sleeve
• Memorex Flexible Disc 1S – WPG502 V1.3
• (2) Memorex Flexible Disc 1S – with no written labels
• Memorex Markette 1S  - No written label
• Memorex Markette 1S – Defective Surface Track 1
•  
• Memorex Flexible Disk – Labeled 0003N
• Memorex Flexible Disk – Labeled 4411N
• Memorex Flexible Disk – Labeled 4412N
• Memorex Flexible Disk – Labeled 4413N
• Memorex Flexible Disk – Labeled 4414N