Mr. Waller, in his volume on _Monumental Brasses_, in describing that of
William de Grenfeld, Archbishop of York, says:
"The arms of the two archiepiscopal sees were formerly the same, and
continued to be so till the Reformation, when the pall surmounting a
crozier was retained by Canterbury, and the cross keys and tiara
(emblematic of St. Peter, to whom the minster is dedicated), which
until then had been used only for the church of York, were adopted as
the armorial bearings of the see."
To the word "tiara" he appends a note:
"Or rather at this period a regal crown, the tiara having been
superseded in the reign of Henry VIII."
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He gives no authority for the statement, but the note appears
contradictory, and implies two changes in the first to the cross-keys and
tiara, which may corroborate the notion of its having been adopted by
Cardinal Wolsey; secondly, the substitution of the crown for the tiara. Can
this be proved?