Offered at auction is this original collection of four educational posters illustrating the human cardiovascular and respiratory systems: the respiratory system, the heart, the arterial system, and the venous system. Produced for teaching purposes, these posters combine scientific precision with the distinctive graphic style characteristic of mid-20th-century educational materials. The collection is in good overall condition, with bright, well-preserved colors that enhance both the clarity of the anatomical illustrations and their strong visual impact. Beyond their educational and historical significance, these posters stand out today for their striking decorative appeal. They are ideal for adding a vintage scientific touch to a home, office, study, medical practice, or creative space, blending seamlessly into both contemporary and traditional interiors. A unique opportunity for collectors, medical professionals, science enthusiasts, or anyone seeking decor with character, history, and timeless style.