Foursquare "Indelible" is Mark XVIII of the Exceptional Cask Selection releases (all one-off and limited in volume) from Foursquare Rum Distillery. Indelible meaning "Not to be forgotten".A blend of two distinct Single Blended Rums, consisting of both Artisanal Pot and Traditional Twin Column Coffey distilled molasses rums. One rum was matured for 11 years entirely in Ex-Bourbon barrels, the second, matured for 5 years in Ex-Zinfandel barrels then aged for an additional 6 years in Ex-Bourbon Barrels. All aging, blending and bottling occurring entirely on-site, at Foursquare Rum Distillery in Barbados.