Ballymaloe Cookery School - Update. Thanks to everyone for your comments. We do have Camp coffee essence as a replacement but it's the Irel coffee essence we love and are looking for!
Vintage Bottle: Camp Coffee and Chicory; R. Paterson & Sons
The Best Camp Coffee Makers: Our Favorite Ways to Brew Coffee While Camping - Fresh Off The Grid
1940s old vintage original advert advertising Camp Coffee with chicory essence in magazine circa 1947 when supplies were still restricted under postwar rationing Stock Photo - Alamy
The Best Camp Coffee Makers: Our Favorite Ways to Brew Coffee While Camping - Fresh Off The Grid