Those front wheels on that Burb remind me of a Coleman 4x4 conversion, which would be from that era.

1960 is the first year of a factory 4x4 from Chevrolet (OEM).

~ Phillip
1949 GMC Suburban - 10 year project
1952 Pontiac Chieftain Convertible straight 8 hydramatic
1945 GMC half ton truck - Driver- Sold 9-15-25
1946 Chevy COE - SOLD 1-5-26 BUH BYE CHEVY!
1959 GMC Half ton long bed NAPCO