The phrase "final stamp" means the last action or decision that seals or completes something, often referring to the ultimate approval or confirmation. Full definition
But the process of asking friends and family or looking at online review sites should be viewed as a starting point rather than final stamp of approval, according to Debra M. Cohen, who operates a contractor referral business called Home Remedies from Long Island, N.Y.. (realtormag.realtor.org)
With his college plans already decided, he wants to put one final stamp on his high school career before hitting the junior amateur circuit and leaving for Texas to join one of the top collegiate golf programs in the country. (sportstarsmag.com)
As he tries to put his final stamp on the Liberty program, the weight of what lies before him hasn't escaped Liberty's 160 - pounder. (sportstarsmag.com)