Best clear archival pages for storing and displaying banknotes in a ring binder?
I am new banknote collector and find it fascinating. I have accumulated a few old banknotes from around the world. Now I am looking for put them in a ring binder. I am looking into getting clear 1-pocket and 2-pocket plastic pages but so far I have found flimsy and thin plastic pages that may not protect these delicate notes. I read that in regards to material mylar (non-PVC) is best but have also read vinyl would be strongest. Any recommendations for heavy duty pages that wont bend/fold easily and protect my collection. Thank you!