Bayko box Designer (Person) Plimpton, Charles Manufacturer Plimpton Engineering Company Date 1934 - 1967 (circa)
Philite plaque of Princess Juliana and Prince Bernhard Designer (Person) Unknown Manufacturer Philips Date 1936 (circa)
Bayko Building Set Designer (Person) Plimpton, Charles Manufacturer Plimpton Engineering Company Date 1950 - 1959 (circa)