[rabbitears]

For what it's worth, looks like a road uniform from either 51 or 52, based on the sleeve patch. Similar to these found on Getty Images (both used on TCMA cards in the 70's). Not finding yours on Getty, or brief search elsewhere though.

• https://www.gettyimages.com/detail/n...hoto/514967252
• https://www.gettyimages.com/detail/n...hoto/515332526