1880 Post Office Notice to Postmasters issued by GPO Dublin, re soggy Shamrock in mail <br>It's not often that shamrock is seen as a menace, but G.C. Cornwall is particularly exercised about the problems involved in posting our national symbol, in this notice issued from the G.P.O. in Dublin in the 1880s.
General Post Office
<a rel="nofollow" class="external free" href="https://www.flickr.com/photos/62790572@N06/5722431292">https://www.flickr.com/photos/62790572@N06/5722431292</a> NLI Ref.: EPH COM/1880-90/2