Ryukyu, island (Okinawa, Japan). 1969. Issue of a one-sided postcard (PC) with the original stamp (OM), dedicated to the wildlife of the islands, flora and fauna of the underwater world. The colorful plot of the postage stamp depicts seaweed, vegetation on the ocean floor. On the back of the PC is an image of marine fish. PC with OM, clean, not cancelled by any stamps, not passed mail. Condition - EXCELLENT. Ryukyus, Ryukyu Islands (Japan, Okinawa). 1965. Sea weed algae marine flora fauna wildlife fish underwater world dwellers Ichtiology Wild Nature Post Postal Stationery. Mint unused prepaid (pre-stamped) one-sided postcards with imprinted Original (unique, designed specially to this particular individual postcard issue) regular postage stamp, definitive depicting nice scenic view of the ocean bottom, marine foral scene, growing seaweed, algae. On reverse side of pc the ocean fish has been depicted. Having such stamp to collection separate from the postcard is impossible as Original stamp is an integral part of the latter and was released specially to that particular issue of the same. Mint, unused prepaid (pre-stamped) one-sided postcard (postal stationery) in a superb, perfect condition. The postage stamp itself is the basic primary, a composite brick of a structure called "Philately".