i bought one of a guy on ebay ,from NSW, hes got various sizes including the "H" if you search AIR TITE coin capsules tube you should find. im not sure if he would have the amount your after though. Hope this helps you , cheers ty
I have a pm from a member who may have some. Overseas they are out of stock but may order 100 when available and share the spoils.
I use to have dozens at about $3 each but gave them all away. Should I eventually get some from OS I’ll flog them cheaply.