This exquisite pen from Cleo Skribent is a real gem for collectors. Made of high-quality metal, this pen boasts a black ink color and features a Messograf that can also function as a Vernier caliper, tire tread gauge, and ruler. Its German craftsmanship is evident in its attention to detail, making it a must-have for any pen enthusiast. Its unique design and impressive range of features make it a standout addition to any collection.