l to r
1. Generic Masonic Symbol and Flag pin
2. Charles A. Welch Lodge A.F. & A. M. 25 Year Pin
3. Grand Lodge Massachusetts pin
4. Rotary International Masonic Symbol pin
This is a collection of pins for Digital Equipment Corporation (DEC). The pins vary from giveaways at trade shows to pins related to DECUS (Digital Equipment Computer Users Society):
"Phantom of the Operating System" - DECUS PC SIG
VAX…
The pin was recognition that the wearer had purchased or supported the war effort by buying liberty bonds.
This pin was found at the Willis Dodd Boys Club formerly the Parker Street Hall.
An initialed M.H.S. class pin. The pin came from Folger, 180 Broadway, NY that was in business in the early 1900s. The initials likely refer to Maynard High School although there were few number of graduates (7) in 1907.
The Army-Navy "E" Award was an honor presented to companies during World War II whose production facilities achieved "Excellence in Production" ("E") of war equipment. The employees received the pin.