Slotted Mags on 1970 240z?

My 240z came with what I believe are factory 280zx wheels (you can see them on car in original BAT listing from 2017: https://bringatrailer.com/listing/1970-datsun-240z-9/)

I have slowly been restoring the car MORE towards factory 1970 conditions (blue interior, more original parts, etc.) This car is never going to be totally original (non-matching engine, 1980s resto, etc.). So I think spending money on steelies and 'D' hubcaps is not in the cards. I would like to get it back to something it could have walked out of the dealer with, or had been upgraded to in the first year or two of ownership. I am thinking about slotted mag wheels. I think they would have been very common in early 70s.

Anybody have some they want to get rid of? Or know of a place I can get new (old-style) ones? Something like this, but in-stock:
https://wheelwiz.ca/products/vna695748?srsltid=AfmBOophSBA80judsZLxQ0OX8IUzmeIxCEvPAnCKcCrGn2PUc-1noTNI

Also, if anyone wants these 280zx wheels I'll be selling them once I get replacements. Tires are ancient.