What it is:
If correctly drafted, a last will and testament is a legally binding document that outlines the distribution of wealth on death. 
Frequently used for:
If the deceased held assets overseas, a last will and testament is used to enable an executor to manage how the assets will be distributed.
Original or copy:
Both the original and a solicitor-certified photocopy can be legalised
The solicitor of the deceased person can provide a replacement of the last will and testament.
How much does it cost?
A standard FCDO apostille for a last will and testament starts from £110. (includes solicitor fees, FCDO fees, our fees & VAT).
Other costs will depend on your chosen service, and other UK documents you need apostilling, such as death certificates, probate, notary or solicitor service, embassy fees, etc., will be charged separately.