![](http://www.alamy.com/thumbs/6/D9B10462-B3F2-40C0-9921-ABD42AEE2020/EPW4DJ.jpg)
A blue, green and yellow thumb tack on a cork board.
Size: 5484px × 3661px
Photo credit: © Scott Dumas / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: blue, board, bulletin, cork, green, memo, message, note, office, pin, push, school, stationery, student, study, studying, supplies, tack, thumb, work, worker, working, yellow