Vintage Anson tie tack / bar- (an accessary that hold the tie in place.) Trowel is a tribute to bricklayers and masons. 

From Anson: "Masonic Shovel Tie Bar is unique in style, shaped like a shovel and featuring the masonic square and compass. It is the perfect choice for masons and freemasons. For such a minor accessory, it has a major impact on your professional style."

Great collectors item! Measures 1.75" long.