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Amgueddfa Cymru
Under a trefoiled, crocketed canopy (to sin. of which, a bird), the Blessed Virgin with orb, crowned and seated supporting her Child, over her head, an estoile. In field, to either side, a shield: dext. chequy a chief ermine, TATTERSHALL (for Hugh Breton, lord of tattershall, founder), above which the letter, S; sin a cross moline, possibly for BEK or WILLOUGHBY, (benefactors to the abbey), over which the letter, K. (These initials might stand for Simon of Kirkstead, abbot in 1275-79). In base, under a triple archway, the abbot kneeling in prayer flanked on either side by a monk half-length.