I don't think there is any time limit on the transfer period Chegs. I believe you will need either the share certificate itself or proof of it, or the actual folio number from when they were first issued.
Sorry I can't be of any more help.
Surface Pro (2017) vs Surface Pro 4
20 groundbreaking 3D animation techniques
How to mine Bitcoin on Mac
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.