Signal  cannons were used as messengers between ships at sea or mountains in South America. They were placed on the rail of a ship or on a rock and fired off with a loud report which could be hea..

Signal cannons were used as messengers between ships at sea or mountains in South America. They were placed on the rail of a ship or on a rock and fired off with a loud report which could be heard for..

Signal cannons were used as messengers between ships at sea or mountains in South America. They were placed on the rail of a ship or on a rock and fired off with a loud report which could be heard for..

A very nice Columbian emerald that does not show much sea wear after 300 years in the ocean. This is one of 10 shows in from a 26 year collection of emeralds from this fleet. Rarely do you see them th..

Beautiful green emerald from mines in Columbia, those 3.45 carat emerald has coral growth around the bottom. It would look wonderful in a basket setting to be worn as a necklace or pendant.. This is o..