Serpent ?

Watermark Serpent ?
Date 1608
Location of use Baile Átha Cliath [Dublin], Ireland
Dimensions 7 mm x 17 mm
Chain-lines gutter 20-19-17-17-20-14-22-19-21 edge
Position Between lines 4 and 5
Process Canon EOS, backlighting, Photoshop
Source [signature IIi]: Leabhar na nvrnaightheadh gcomhchoidchiond agvs mheinisdraldachda na Sacrameinteadh, maille le gnathaighthibh agus le hordaighthibh oile, do réir eagailse na Sagsan . . . a Mbaile athá Cliath, a dtigh Shéon Francke alias, Franckton, Prionntóir an Ríogh an Eirinn. 1608. Bound in folio. Pages not numbered.
Repository Royal Irish Academy, Dublin