The PowerBook series started out as one of the most portable and powerful computers on the market. Fully utilizing a passive matrix backlit display, you could even use these in direct sunlight.

According to Everymac.com, here are the standard specs for the PowerBook170:

9.8″ Monochrome Display @ 640×400 resolution

RAM: 4MB – 8MB

Hard Drive: 40 MB SCSI

Battery NiCad, 2-3 Hrs of battery life

Mac OS 7.0.1 – 7.5.5 (excluding 7.5.2)

Original Price 4600 $ (Intro: Oct. 21 1991, Discontinued Oct. 19, 1992)

But the one in question for today is one made for the Japanese in 1992. Apple manufactured approximately 500 mutli-colored PowerBook 170 models to commemorate the 1992 JLPGA golf tournament.

Available on eBay. .

MacWorld has this to say about it:

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JLPGA PowerBook 170 (1992)

In 1992, Apple manufactured approximately 500 multicolored PowerBook 170 models to commemorate the 1992 JLPGA golf tournament in Japan. If you ever set your hands upon this colorful machine, you’ll have yourself quite a prize.

Apple must have had a field day picking the colors for this machine. It sports a mostly blue body with a white lid and base, red battery doors and contrast sliders, yellow hinge caps and trackball, and green elevating feet. Other than all that, it appears to be a relatively unassuming PowerBook 170.

— http://www.macworld.com/article/2012192/six-of-the-rarest-macs.html

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Cool to know about the Apple rarities in the 90’s.