Firefly Squids

IssueFirefly Squids
Date of Issue26 April 1999 (Heisei 11)
Denomination80 yen
DesignFirefly Squids
Quantity 6,000,000 copies
Image Area27.0 x 22.5 millimeters
PrintingPhotogravure in 5 colours
Sheet20 stamps (5 x 4)
DesignerIshida Shunryou
Sold atPost offices in Hokuriku, and
the appointed post offices
(see the menu page)
First Day of
Issue Postmark
Namekawa Post Office
Catalog No.R287

Firefly Squids, Pane

IssueFirefly Squids, Pane
Price800 yen (80 yen x 10)
Pane Size160.0 x 51.0 millimeters
Pane10 stamps (5 x 2)
Catalog No.R287P

Japanese Stamp Specialized Catalog (JSCA) & SAKURA Catalog numbers are adopted.

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(Small Notes for the Issue)

R287 & RP121: Firefly squids are 4 to 6 centimeters in length, and have about 1,000 luminous organs in each body. They live in the Sea of Japan and the Pacific Ocean along Japan between southern Hokkaidou and Mie, usually in 200 to 1,000 meter deep. Around March to may, however, firefly squids come up to the surface to spawn, which make the sea surface glow blue-green. That is appointed as one of the National Natural Monuments in Japan.