You would think that these letters simply refer to ‘In Hoc Signo’ (‘in this sign’); ‘Iesus Hominum Salvator’ (‘Jesus savior or men’) or any of the other Christian abbreviations, but in the “Maitre Irlandais” (‘Irish Master’) degree the letters refer to the three masters who found the body of Hiram, in this variety Juda, Hiram and Stolkin.
collection (1844) of Georg Kloss (1787-1854) (Elu des Neuf. – Elu des Quinze. – Maître Irlandais. – Chevalier Prussien, grade Anglais. – Chevalier d’Orient. Avec 45 tableaux Kl.MS:XXXVI.5)