You'll never find the exact 'blue striped' one ... but a /6 or /7 spoked wheel can be had all day long on fleabay. IMO, buy a cheap straight one ... and when you get it, immediately swap out the bearings. Should last you a lifetime.
Fred * '85 R80RT G/Sified
* '73 R75/5 LWB
"Simple" with a Goal of "Ludite"