Guild Wars 2

I need 250 of them. Unfarmable and 5% chance on Forge (according to wiki). They drop from “packages” but it’s not specified which ones.
There are 500 of them on TP and i need half of those.

What kind of packages?
Where to farm those packages?
Is there anything else i can do beside buying off TP?

What level are they for?
Look in an area which is that level, kill mobs that are known to drop lootbags, like Pirates, Risen, Centaurs.

Bunch of information from other posts about silver doubloons.
https://forum-en.gw2archive.eu/forum/game/crafting/Silver-doubloons-2/first#post2720278
https://forum-en.gw2archive.eu/forum/game/bltc/Silver-doubloon/first#post2674887
https://forum-en.gw2archive.eu/forum/game/crafting/Silver-Doubloons-Sort-it-out-Anet

I farmed some in Lornar’s Pass from dredge : http://wiki.guildwars2.com/wiki/Underburg
they drop http://wiki.guildwars2.com/wiki/Light_Miner's_Bag

but it’s still pretty rare …. if you’re lucky it’s like one every 50+ bag …. if you’re lucky! Think more like 100-200+ bags.

I know your pain I had to buy them … Jumping puzzle etc can also drop them