This Collector 10 oz Ag Type B Perth Mint poured silver bar comes with Original owner's invoice as issued dated 1981 and verified by matching serial number on bar and invoice. It's 43 years old A provenance piece from a period rarely seen in such package in The 10 oz Perth Vintage Class. This piece add values to your Perth collection. For Sale from Chip's Collection , sell to the highest bidder. I do have a Reserve price in mind. No, I don't get offended by your offer. if your price is Right it's yours.