2019 Coral Reefs
Climbing up from the sea floor and reaching out of the reef like fingers, pillar coral are unlike other coral in several ways.
One of the most notable differences between pillar coral and other hard coral is that pillar coral feed during the day. Most other hard coral feed only at night. With their mass of tentacles stretched out in the water, they often appear furry. Pillar coral also differ from other species in that they are not hermaphroditic (carrying both male and female reproductive organs). Instead, some pillars are male and some are female.
Pillar coral are mostly found in the Atlantic and the Caribbean. They can reach a height of 10 feet with pillars over four inches wide. They grow slowly and can withstand strong waves, but are prone to breaking in hurricanes and tropical storms. However, if pillars break off, they can attach themselves to the ground, allowing for new pillars to grow. This can happen over generations, creating massive pillars.
Pillar coral are considered a vulnerable species, as their numbers have decreased and there are few juvenile coral in the wild. But in recent years, scientists have successfully bred and raised pillar coral in a lab. They hope to study these coral to better understand them, help them become more resilient, and possibly introduce them into the reefs to help restore their numbers.
Product Specs：
Issue: Coral Reefs
Item Number: 120200
Denomination & Type of Issue: Postcard Rate Non-denominated, Mail-use
Series: N/A
Issue Date & City: March 29, 2019, St. Louis, MO 63121
Art Director: Ethel Kessler, Bethesda, MD
Designer: Tyler Lang, Portland, OR
Typographer: Ethel Kessler, Bethesda, MD
Artist: Tyler Lang, Portland, OR
Modeler: Joseph Sheeran
Manufacturing Process: Offset, Microprint
Printer: Ashton Potter (USA) Ltd. (APU)
Press Type: Muller A76
per Pane: 20
Print Quantity: 125,000,000
Paper Type: Nonphosphored Type III, Block Tag
Adhesive Type: Pressure-sensitive
Processed at: Ashton Potter (USA) Ltd. (APU)
Colors: Pantone 635 C Seafoam, Black, Cyan, Magenta, Yellow, Pantone 2234 C Aqua
Orientation: Vertical
Image Area (w x h): 0.73 x 0.84 in./18.542 x 21.336 mm
Overall Size (w x h): 0.87 x 0.98 in./22.098 x 24.892 mm
Full Pane Size (w x h): 5.35 x 4.93 in./135.89 x 125.222 mm
Plate Size: 400 per revolution
Plate Numbers: “P” followed by six (6) single digits
Marginal Markings:
Front: Plate numbers in four corners of pane
Back: ©2018 USPS • USPS Logo • Two barcodes (120200) • Plate position diagram • Promotional text
Shipping Method: USPS First Class & USPS Priority Mail.
Handling time: Usually around 1 business days.
Delivery time: Usually around 3-7 business days.
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