Surfside 606 Wakerider ?

Has anyone seen this before? Looks familiar but I just can’t place it.

http://cgi.ebay.com/VINTAGE-SURFSIDE-606-WAKERIDER-SURFBOARD-SURF-BOARD-60S_W0QQitemZ7190098423QQcategoryZ22710QQrdZ1QQcmdZViewItem

? a precursor to a bunker spreckels board , perhaps ?

…what year was that thing ? [the trippy late 1960s / early 1970, at a guess ??]

or, even EARLIER , perhaps ?



" ? a precursor to a bunker spreckels board , perhaps ? " …

Way to go Ben! That’s where I thought I saw one. Different fin but very similar design. Thanks!