Antique motorcycle or bicycle seat. Leather is marked Master on the back and READING SADDLE Reading Pa  on the sides. Leather is in poor condition  as pictured. Markings on the sides are still present, but hard to read. I think this is from an early 1900's Reading motorcycle, but may have been used on bicycles as well. Springs are a little heavier than typical bicycle seats. 10 inches wide on the back by 14 inches long.