The items in the top two pictures are ornaments that adorn Masonic aprons. The T shaped pieces are upside down and are on a Worshipful Master's apron replacing the rosettes on a Master Mason's apron.The item on the left of the third picture is, of course, a US Army Officer's cap badge.
Pyramid Lodge 5718 under The United Grand Lodge of England meets at Freemasons Hall, Great Queen Street, London, England. More info about the various bars (excluding the Buffs stuff) could be found from them.