Catalogue Click for Auction info The Julian Sterling Philately Collection - Part 1 (#15MG) Closed Auction Info Lot 856d Ultramarine, Watermark Inverted. A fine and fresh Mint single. BW:17a - $4000. Click image to enlarge PreviousNextSimilar Items Lot closed - Price Realized:$2,000 (1 bid) Estimate: $1,500 - $2,000 Request Condition Report The Julian Sterling Philately Collection - Part 1 (#15MG) Closed Auction Info Description Description: 6d Ultramarine, Watermark Inverted. A fine and fresh Mint single. BW:17a - $4000. Symbol : * Categories: Stamps & Postal History > COMMONWEALTH OF AUSTRALIA > Kangaroos - First Watermark Terms and conditions Please note: This auction was held by Mossgreen and is shown on the Leski Auctions website for reference only.