Bunch of grapes mounted (on letter M?) between two pillars

Watermark Bunch of grapes mounted (on letter M?) between two pillars
Date May 1625
Location of use [Limerick?], Ireland
Dimensions 47 mm x 33 mm
Chain-lines fold 2]-20-20-20-19-20-20-20-21-20-[14 edge
Position centred on 6
Process Canon EOS, backlighting
Source Youghal Corporation Records; President of Munster to Mayor of Youghal, May 1625. Letter on folio: YTR I/34
Repository Cork City and County Archives