60-66, here are photos of my last original wheel:
Mine had a slightly different shape to the center (less backspacing), and only had 3 holes drilled in the clip humps instead of all 6. Perhaps yours is a Chevy wheel (mine was GMC), or used a different offset center being mounted in a 5.5” rim instead of a 5” width rim. Interesting yours has no wheel cover bumps in the rim although it still has clips for the hub caps.
Years ago that would have been a prime candidate for a reversed rim, as the rim has the shallow face and beautiful deep taper on the back side like the popular 5.5” & 6” rims found on many Buicks. In the early days when custom reversed rims were assembled from used parts, many Chevy and Ford passenger car centers ended up in Buick rims.
Oem4me, it’s interesting mine has a 0 at the end, and it was from a 1960. Not sure if the means yours is a 61? I don’t know when Chevy dropped the clip style hub caps.
