Two similar George III/IV Irish silver wine labels

Two similar George III/IV Irish silver wine labels,

one by Edward Crofton, Dublin circa 1827, the other with maker's mark only, J.K, for James Keating, Dublin circa 1795,

banner form, mounted with an urn pediment with pierced garlands of bright-cut decoration, incised 'TENERIFFE' and 'MADEIRA', engraved with a crest, length 5.8cm and 5.5cm, approx. weight 0.7oz. (2)

The crest is that of Aylmer of Co. Meath.