via etsy.com
This is a vintage mold called "kashigata". This is "tai" or sea bream. In Japan, tai is considered the "king of fish" and it is also considered to bring good luck. This is a beautiful Japanese vintage wood sweets mold.
It measures 18 cm long x 10.5 cm wide x 5 cm tall. Inside it measures 11.8 cm long x 8.8 cm wide.
http://www.etsy.com/listing/83417813/vintage-japanese-kashigata-sweets-mold
