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Luxury fiber is a strange thing. Linen comes from flax (which has some legitimate claims to being the first domesticated plant). Silk is derived from the cocoons of lepidoterans. Qiviut comes from the undercoats of musk-oxen. One of the rarest of all luxury fibers comes from an even more peculiar source. “Sea silk” is produced by collecting and spinning the long micro filaments or “byssus” secreted by several kinds of bivalve mollusks–expecially Pinna nobilis (a large saltwater clam once widespread in the Mediterranean ocean). Pinna nobilis can grow up to a meter (3 feet) in size and anchors itself to the ocean floor with an extremely fine fiber it excretes from a land in its foot.
The fiber was mentioned in various Greek, Egyptian, and Roman sources (and an analog seems to have existed in ancient China) but differentiating sea silk made from mollusk fibers from similar luxury fibers like cocoon silk, or fine linen seems to be more a matter of context rather than of terminology. Sea silk is finer than the true silk produced from silkworm cocoons. It was said that a pair of ladies’ gloves made of sea-silk could be folded into one half of a walnut shell because the fiber was so profoundly delicate. Sea silk was warm and durable but it was infamous for attracting clothing moths. A few pieces have survived in museums including the extraordinary mediaeval chasuble of St. Yves pictured below.
Unfortunately the Pinna nobilis clams which are the source of byssus fibers have declined rapidly in number thanks to overfishing, pollution, and the general decline of the Mediterranean sea-grass beds. Other fibers like seaweed based cellulose or watered silk have adopted the “sea silk” name further confusing the issue. Today the sea silk industry only barely survives in Sardinia where a handful of aging practitioners keep it alive–more for tradition’s sake than economic reward.
I had a post all planned for today but the difference between reality and fancy has forced me to scrap my original idea. First, and by way of overall explanation, allow me to apologize for not writing a post last Friday. I was attending a stamp convention in Baltimore over Labor Day weekend in order to fulfill a social obligation. The stamp convention is where my idea for today’s post came from and, of course it’s also where my idea went wrong.
I had initially (optimistically) planned on selecting a variety of stamps representing categories from my blog. What could be better than a bunch of tiny beautiful pictures of snakes, underworld gods, furry mammals, planetary probes, gothic cathedrals, and so forth? But, alas, my concept was flawed. The international postal industry is vast beyond the telling, and, undoubtedly, some nation on Earth has issued stamps featuring each of those subjects, however stamp collectors do not categorize their collections by subject. Instead they organize their precious stamps by pure obsession (usually but not always centered around a particular historical milieu). Apparently there are also subject stamp collectors out there…but real stamp collectors think of them the way that champion yachtsmen regard oafs on jet skis.
True philatelists are more interested in finding oddities which grow out of historical happenstance. Their great delights are the last stamps issued by an occupied country just before regime change, or the few stamps issued with the sultan’s head upside down, or a stamp canceled by a Turkmenistan post office which was destroyed a week after it was built. The nuances associated with such a subtle field quickly overwhelmed me. Additionally, I was unable to approach gray-haired gentlemen in waistcoats who were shivering in delight from looking at what appeared to be identical stamps with identical potentates and ask if there were any stamps with cuttlefish. It seemed blasphemous. I ended up leaving the stamp show without any stamps at all!
But don’t be afraid. There is an entity which is even more obsessive than the stamp dealers: the internet! To add to my previous post on catfish stamps here is a gallery of mollusk stamps which I found online. The beautiful swirls and dots and stripes of this handful of snails, octopuses, slugs, and bivalves should quickly convince you that even the world’s post offices have nothing on nature when it comes to turning out endless different designs.