Call the agent, you will have to provide them with your name (the same that is on the certificate, your address and your social security number. They will be able to tell you if the certificate is still outstasnding or it has been stopped and/or escheated to the state.
Follow up with a letter to the agent requesting a replacement or the details of when and where the stock was escheated..
In the United States certificates and changed of ownership are processed by the trasnsfer agent and NOT ther Registrar.
Neither the sdcompany, the Registrar nor the transfer can and will take any verbal instructions from shareholders/
Also if you are entitled to a new certificate you will receive paper work from the agent requesting you complete the indemnfication and letter and you will be required to submit a fee to stop the certificate an issue a new one, the few is about 5%-10% of the market value of the shares being stopped and replaced.
These wntiore process can take weeks to complete depending on the work volume of the agen
Find out the registrar of that company and write to them.
They will help you. You will have to sign an indemnity to get a duplicate certificate.
Find out how much it is quoting.
Then decide whether it is worth it
All you need is the name of the company, your name as registered and your address as registered.
'Phone the Registrars and give them this information and they should be able to trace it. Then you will have to sign a Letter of Indemnity to get a new certificate.
I have lost share certificates of a company which I bought in the year 1996 (Paper Certificates). I don't have any details, e.g., Folio No. Distinctive No. etc. Company is still listed in Delhi Stock Exchange.