The Pearl River is a Chinese TLR camera taking either 12 6×6cm exposures on 120 film, or 16 6x4.5 exposures by use of a metal mask. It's a variant of the Seagull 4B, but has more plastic parts, and was made in Guangdong from the 1960s to the 1980s.
<a href="//commons.wikimedia.org/wiki/User:Sumanth699" title="User:Sumanth699">Sumanth699</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>