Peaceable Projects Inc. is a U.S.-based non-profit group that brings the vast resources of the wide world together with the ongoing needs of the people who live, work, and travel on the Camino de Santiago pilgrim trail network in Spain.
I don't know the answer to your question Ian- though I imagine Johnnie Walker probably does.... but in looking to see if I could find an answer, I stumbled upon this account of the opening of the Holy Year, that has some superb photos of the Archbishop 'opening' the wall. You just need to scroll down past the 'headlines' at the top. http://www.newliturgicalmovement.org/2010/01/opening-of-holy-year-in-santiago-de.html
Margaret
Camino de Santiago pendant that has a shell on the front, and "Camino de Santiago" engraved on the back. Comes with a black cord. Pendent is slightly larger than a 50 euro cent coin, about 25mm.