I hope you will forgive me for sending you more material about French liturgical usage, which may seem at first sight to have nothing to do with Anglicanism, but it does. The English Church since the Norman Conquest is largely rooted in the culture of Normandy and the French variations of the old Roman Sacramentaries. Here is an engraving from 1705 of Pontifical Mass in Notre-Dame Cathedral, Paris.

Click here for a larger version. You will also see two photos of the same rite celebrated near Versailles in 2001.
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Is that the ICKSP celebrating in the 2001 photo?
I believe so, with Fr. Jehan Audin, now a French Army chaplain.
Fr. Anthony
I thought as much. The distinctive (and aesthetically very pleasing imho) choir dress is a dead giveaway.