Bird Bird amplifiers were made for about 5 years from 1960. [Source: Vintage Hofner]

http://www.chambonino.com/modify/mod3.html

http://www.vintageamps.com/plexiboard/viewtopic.php?t=22771&sid=c5739e8d7e463158c120dea18cbfab8c

Image Bird Talisman amp eBay:Bird Talisman guitar amplifier