Thank you for bringing back memories from early in my computer career.  I still have a MSDOS 3.31 Emergency boot disk (Because it was the first to support hard drive partitions above 33MB).  For the longest time, I kept it in the very front of my floppy disk case.  But when I finally tossed all the old PC floppies, I relocated it to the esteemed location of stuck to the refrigerator door with a magnet.

Likely won't boot anymore, but still brings back memories.

Keep up the good work!