Treating a Sneezing Kitten?
Get it to the vet today. These things can go from bad to worse in no time at all.
Cat Won't Pee in Litterbox?
The easiest thing and first line of defense is to put a box were she pees. She might use it. If she does, then over the next few months move it to a more convenient location. You need 2 boxes for 1 cat anyway.
Removing Nicotine Residue from Car Interior?
Saddle Soap is good for cleaning leather as it is meant for cleaning saddles. You might be able to get it at a shoe store. If not, try a feed store.
Value of Porcelain Doll?
They are mass produced and not worth a lot. They sell with the Buy Now button for about $20 $30 on Ebay.