Wow, what a nice library you have there Needles. I love those little glass vials you have.
Are you storing those cultures at room temperature? Also, are those the kind of stoppers you can inject straight through? like a self healing injection port? Or do you have to open the bottle to get access to the culture?
Those bottles were ordered from a scientific supply company until they discontinued that size. They were perfect for storage, and yes the 10mm SHIP fit just right. Instead of using a metal ring to seal the bottle I just used a small piece of lab film. I have replaced them with the larger bottles that come with a septa lid.
All the bottles that are in the backgammon game case are stored at room temperature and the ones in the little case have been kept in the refrigerator crisper.
This method of storage has given me the most successful rate in recovery of cultures.
I think the same results could be achieved through growing a culture in a jar of agar. After the mycelium has colonized sterile water could be added and vigorously shaken and extracted.