Shipwrecks
There's two kinds of shipwrecks around Altis. There's one transporting gold, and there's one transporting antiques.
Quick Info
Each shipwreck will dissapear after 15 minutes, therefor you need to be quick if you're interested in anything.
H.M Treasury Ship (Yellow writing)
H.M Treasury shipwreck is the one containing gold. When it appears, it's written with a yellow writing, so it's easier to recognize, that's it's the one transporting gold.
Carrying:
Gold bars worth £200,000.
Info about the gold bars
It spawns with 5 gold bars, and for each cop online, upon it spawning, it adds 1 more gold, meaning:
10 cops on duty = 10 gold bars
And so on.
Shipwreck
This shipwreck contains less valuable items. It's written in blue, when it spawns, to indicate it's the ship carrying lesser valuable items.
Carrying:
Broken Bell: £4,000
Old Gold Bar: £10,000