$11,000
To maintain a sourdough crock and ensure the longevity and quality of your sourdough starter, keep it in a cool, dry place, feed it regularly with flour and water, discard some starter before each feeding, and clean the crock periodically to prevent mold growth.
Spray it with bleach.
Almost any recipe can be modified to use with your crock pot, that's why crock pots are great. Crock pots can be hard to clean, but if you use a liner it is much easier.
Vinegar.
* * One way is to check antique shops and see what they are going for, or check on E-bay to see what this size crock brings.
I would use alcohol then re-due whatever the mold covered.
Take it to a bridal shop or a specialized clothing cleaners
You can clean an antique copper faucet. However, you may not want to. If you clean the piece it could lose its patina which takes away from its value. If you do clean it, use soap and water and be gentle.
You did not state what the sculpture was made from. This would determine how you clean it.
No, it is not safe to use a cup that has mold on it. Mold can be harmful if ingested and can also be difficult to completely clean from the cup. It is best to discard the cup and use a new, clean one.
The value of an antique crock depends on who made it, how it's marked, its condition, size, design, rarity, and so on. For more information about antique crocks, see Related Links, below.