Plate from Lamperti designed by Seiffert & Seiffert

Vintage design plate of the Italian brand Lamperti designed by Seiffert & Seiffert (marked). The plate consists of two separate elements which can be put together and is made of hard yellow plastic. The condition is good, no damage, see the detail photos. The dimension is 30 cm in diameter, a single element is 30 cm long and 20 cm wide.