Vintage Sterling Silver Mystic Seaport Connecticut Nautical Charm/Pendant 1960s

This is a remarkable vintage sterling silver Mystic Seaport Nautical charm or pendant that was purchased as a souvenir back in the late 1960s. It measures 21.3mm. in diameter or 0.84inches, weighs 4.4 grams, and is pictured next to a US dime for size comparison. It is stamped "STERLING" on the backside with maker's mark and is in excellent condition!