The invitation letter is a quest item used in The Dig Site. It is used to get access to the winches. It is obtained from the archaeological expert after the player has brought him the Ancient talisman.
It says 'I give permission for the bearer... to use the mine shafts on site. - signed Terrance Balando, Archaeological Expert, City of Varrock.'
|Item quantity required||1|
|Base junk chance||98.9%|