REAL silver and REAL aquamarine cross necklace

This vintage necklace is 100% REAL silver, the imprint 925 is stamped on both the chain and the pendant. This necklace and chain were both made in Italy, the pendant features a baby blue aquamarine stone in the center of the cross which is quite beautiful when paired with a dark blue shirt. The chain is approximately 18 inches long not clasped. Silver is only increasing in price over the years, 4 years from now, this necklace will double what its worth now. Its from the 70s and was rarely worn.