Scope and ContentCertificate for "Testimonial Dinner tendered to William T. Sperber, Monday, May 11, 1936 by Fellow-Workers Honoring Fifty Years Service, 1886-1936 as an employee of Tietjen and Lang Dry Dock Company, Hoboken, N.J. Nelson's Town House, Union City, N.J." Printed sheet mounted on chipboard, 14 x 18H with printed type in center panel and printed photo of Sperber. Gold paper edging also used to divided the sheet into 3 vertical panels. Signed in ink by 84 attendees in outer panels. Reverse is blank. The right column has the signatures of five other Sperber family members plus one in the left column. See photo catalog 2001.013.0004 for a group photo of this event and archives catalog 2001.013.0003 for the menu and program with a printed list of attendees.