I'm not a Volvo lover but they had some very attractive brochures in the early 60s. I think it must have been the film they used or the inks in the printing process because they have vibrant, saturated colors that you don't see in contemporary American and English brochures.
The Volvo 122 Amazon debuted in 1956 but the USA didn't see it until the middle of 1959. While the PV555/544 had been inspired by early 40s Fords, the 122 took it's cues from early 50s Kaiser and Chrysler products. Familiarity with the design style made them more appealing to Americans for a longer period than French and Italian designs that followed European trends.
Wikipedia doesn't give a good accounting of the model names, so I will make an attempt. The series was known as the Amazon in Sweden but for legal reasons it was the 120 Series everywhere else.
From what I gather, The first number describes bodystyle 1 for sedan, 2 for wagon. The second number describes the number of doors. 2 means four and 3 means two. The third number in the model name indicated whether it had a one or two barrel carburetor. So a 122 is a 4 door, two barrel sedan but is not the same as a 122S. The Swedish Chef on the Muppets was easier to understand than all this.