By By JohnThomas Didymus May 13, 2012 in Business A pair of Queen Elizabeth II's lacy "royal underwear" are now available for sale on eBay. The estate of Baron Joseph "Sepy" de Bickse Dobronyi wants eBay bidders to celebrate the Queen's Diamond Jubilee by buying an old pair of her "knickers." The panties, alleged to be the Queen's, are embroidered with her royal emblem, including an ivory crown and letter "E." According to The seller's But in case you are disappointed that the seller is unwilling to guarantee the authenticity of the purported royal knickers, the seller's According to In case you are shocked at the irreverent intrusion into the Queen's privacy, it may help to learn that this is not the first time a British Queens' unmentionables are offered at the auction block. According to If you think the Queen's 40-year-old frilly knickers are "very collectable" then now is the opportunity open to acquire them. They are now at $4,000, and according to Full description of the item on According to The seller is offering free shipping for the royal panties at the price of $4,000.The panties, alleged to be the Queen's, are embroidered with her royal emblem, including an ivory crown and letter "E." Daily Mail reports that the undergarments, apparently made in 1968, are open to bids on eBay for 10 days.According to Tamebay , the royal undies come from the estate of Baron Joseph "Sepy" de Bicske Dobronyi, and while "their provenance isn't proven that they belonged to Queen Elizabeth II," it is claimed that she left them on a chartered plane used during her trip to Chile in 1968. But the claim remains uncertain because both the Buckingham Palace and the garment maker have declined to confirm or deny that the pair of undies belonged to Her Majesty, Queen Elizabeth II.The seller's eBay page explains: "Since Buckingham Palace or the garment maker have not confirm (sic) or deny the authenticity that this pair of underpants are from Her Majesty, Queen Elizabeth II, the estate cannot confirm its provenance and it is the buyer’s responsibility to do that on their own before bidding."But in case you are disappointed that the seller is unwilling to guarantee the authenticity of the purported royal knickers, the seller's eBay page explains that regardless of authenticity "this is an excellent example of a vintage undergarment of that era and very collectible."According to TMZ , it was the dying wish of "Sepy" to auction the royal undies off with British auction House Hanson's Auctioneers, but the auction house was very sensitive to royal feelings and was unduly discrete about marketing the item out of fear of offending the royal family. And so the private property found its way to the most public auction house in the world, eBay.In case you are shocked at the irreverent intrusion into the Queen's privacy, it may help to learn that this is not the first time a British Queens' unmentionables are offered at the auction block. According to Daily Mail , in November 2011, a pair of Queen Victoria's underwear was offered for 9,375 pounds. The underwear, worn by Queen Victoria in the 1860s, measured 36in at the waist.If you think the Queen's 40-year-old frilly knickers are "very collectable" then now is the opportunity open to acquire them. They are now at $4,000, and according to Tamebay , there is just about a week left for bidding. It is expected that the bids will rise before final sale.Full description of the item on eBay goes: "Richly embroidered silk undergarment with a monogram of the royal crown with the initial script 'E' underneath on the top left, with a designed stitched going across the garment above it. On each side there are two flowers on a stem with leaves and beside it a stem with two leaves. The garment is lined with a beautiful and delicate crocheted lace hem. There are four small pearl-like buttons on the left side."According to Styleite , Dobronyi, whose estate is offering the royal undies for sale, was an “aristocrat, sculptor, photographer, royal jewelry designer, art collector, world traveler, sportsman and bon vivant.” More about Queen elizabeth, Underpants, Ebay, Baron Joseph "Sepy" de Bickse Dobronyi More news from Queen elizabeth Underpants Ebay Baron Joseph Sepy de...