I have no idea how to pronounce 'Hajenius.' However, P.G.C. Hajenius is a B&M in Amsterdam - a B&M that goes back to 1826, and has been in the present location since 1915. "P.G.C." stands for Pantaleon Gerhard Coenraad Hajenius, who was 19 years old when he opened his cigar store in an Amsterdam...