Its like you didn't even try OP.

https://www.amazon.com/SPLF-Capsules-Organizer-Collection-Supplies/dp/B07TT9NW28/ref=sr_1_1_sspa?crid=EH8PN84QWFCT&keywords=30mm+coin+capsule&qid=1579414683&sprefix=30mm+coin+%2Caps%2C251&sr=8-1-spons&psc=1&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUE0Uk9CTDRERTUwRVgmZW5jcnlwdGVkSWQ9QTAxMTIzMzU1VDkzU1c2OTJJU1kmZW5jcnlwdGVkQWRJZD1BMDExNzQ0ODJDWk1GNFNUNFdNWUcmd2lkZ2V0TmFtZT1zcF9hdGYmYWN0aW9uPWNsaWNrUmVkaXJlY3QmZG9Ob3RMb2dDbGljaz10cnVl

100 30mm coin capsules for 12.99, that is 12cents each.