I DON''T KNOW THE HISTORY OF ITEMS AS I'M BUYING FROM MANY SOURCES LIKE ESTATE SALES, BENEFIT SALES, ETC. I STORE ITEMS IN A ROOM WITH AN AIR PURIFICATION SYSTEM PLEASE KEEP IN MIND THAT I DON'T KNOW THE HISTORY OR LIVING CONDITIONS WHERE ITEMS MAY HAVE BEEN STORED IN THE HOME OR HOMES OF PRIOR OWNERS. I DON'T KNOW IF THERE WAS A CAT, FIREPLACE, SMOKER, A PET, CHILDREN OR OTHER.