the collection is exclusively given away from the Daily Chance raffle. they are not looted.
You can only vault the collection items!
the casino collection is exclusively given away from the daily chance lottery.
you have to collect the items needed in the collection by completing jobs, under the tab "inventory", then the tab "collections and vault" once you get all the items, along the right side is a vault collection button.
you will have to find all the necessary items needed to vault it. these collection items can only be achieved by winning the lotto tickets.
You keep them, but they are of no value. Trade with other players for other items you need. You can only vault one set for each.
If I understand your question right, from the main page (or anywhere really):Click on "Inventory" in the bar with Home, Jobs, Fight, Properties, Inventory, and Godfather on it.On the next page, click on "Collections & Vault" in the bar that's a little lower down on the page and contains the items Inventory (Mafia Store), Loot, Collections & Vaulting, and Gifting.On the ensuing page, scroll down, find the collection you're trying to vault, and, if you have all 7 items, click on the "Vault Collection" graphic on the right hand side of the collection. If you have all 7, the Vault Collection graphic will be lit up. Otherwise, it will be dimmed.Once you vault a collection, you have the option to revault it to gain whatever boost is associated with that particular collection once you complete the collection again. The first vaulting uses up 1 of each item in the collection, so you'll have to recollect each item to revault the collection and gain the associated boost.
+10% to Job loot drops
+10% Loot drop
When you vault the Daily Chance Collection in Mafia Wars, you get a 10% increase of loot drops when doing jobs.
+3% in money accumulation.
All you need to do is collect the same items again .. and once you have all the 7 items, you can re-vault the collection and get bonus.
Just make sure you have the entire collection again and then hit the revault button on the right side