On rare occasion one may come across an intaglio seal carved into mother of pearl, but they are uncommon because mother of pearl is rather fragile. At Seal & Scribe, we rather like the slight feathering on a gem stone seal because it serves as a reminder of the painstaking skills required to carve on to a gem stone, and is another aspect of the provenance of the stone. While one can get a crisp line on gem stone seals, there is often slight feathering on some lines, which no doubt appear because if one were to polish certain areas on a gem stone seal the actual hand-engraved lines would be diminished. The use of certain semi-precious and even precious gem stones is less common than hard stones - no doubt because of their cost - and the most common gem stones used for intaglio seals are of the quartz family: amethyst, citrine, rock crystal, etc. One could get a clear, crisp etching image and text, just as with using metal seals, however the hard stone seal had an added bonus of the coloring of a beautiful stone to enhance the seal itself. Stones such as: carnelian, bloodstone, chalcedony, and agates were most common during the 1700s to 1800s. Hard stone seals tend to use certain stones that are hard enough to provide a good, smooth surface for detailed etching. Such seals were primarily used for seals that required a very high level of detail, such as family crests and coat of arms, royal ciphers, monograms, etc. Engraving into metal would give a seal a very crisp level of detail because etching into metal provides a certain quality of stability and hardness to etch into, and even the smallest of engraving tools can leave crisp, clean lines in the image and text on an all-metal seal. One can find all-metal seals in gold, silver, brass and copper, as well as 'pot' metal which is a mixture of non-precious metals. Metal seals come in a variety of metals that were available during Georgian and Victorian times. Each seal medium has it's own beauty and merits, so let's explore each one on it's own: Please contact us at or +43 (1) 532 04 52 for the latest local health and safety guidelines.Intaglio seals come in four basic mediums: all metal, hard stones, gem stones, and glass. You must register to bid in person and will be assigned a paddle at the auction. For example, in general, we only place Chinese art auctions on 51 Bid Live. Please note that we place different auctions on different platforms. Here's a full list of our third-party partners: Please note that if you bid with one of our third-party online partners, then there will be a live bidding surcharge on top of your final purchase price. We partner with best-in-class third-party partners to make it easy for you to bid online in the channel of your choice. How to Create Your Personal Zacke Account Simply fill out the Absentee Bidding/Telephone bidding form and return it to us by email at or by fax at +43 (1) 532 04 52 20. You can download the PDF from our Upcoming Auctions page. You can still submit absentee and telephone bids by email or fax if you prefer. We will contact you when your bids have been confirmed.Ĭlassic Absentee and Telephone Bidding Form Once you've created an account and your identity is verified, you can leave telephone bids online. We will contact you when your bids have been confirmed. Once you've created an account and your identity is verified, you can leave your absentee bid directly on the lot page. You can now leave absentee and telephone bids on our website! Absentee Bidding If you try to place a bid that is higher than €500, you will not be able to do so. For example, if you have a bid limit of €1,000 and place two winning bids for €300 and €200, then you will only be able to bid €500 for the rest of the auction. Your bid limit will be the maximum amount you can bid during the auction. Your bid limit is for the hammer price and is not affected by the buyer’s premium and VAT. Once you have pre-registered for a live online auction, you can see your intended spend and bid limit by going to 'Account Settings' and clicking on 'Live Bidding Registrations'. We will then review your intended spend and set a bid limit for you. When you register to bid in an online auction, you will need to share your intended maximum spending budget for the auction. Once your account is created and your identity is verified, you can register to bid in an auction up to 12 hours before the auction begins. To bid live online, you'll need to create an online account. Our online bidding platform makes it easier than ever to bid in our auctions! When you bid through our website, you can take advantage of our premium buyer's terms without incurring any additional online bidding surcharges.
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