These three ashtrays--the front two are Firestone and the back one is Goodyear. All were made in Argentina.

Goodyear, marigold, 55 (1999), 105 (2009), 30, 40, 75, 95, 250 (all 2014),
   100 (2019)

Firestone, amber, 55 (1999), 275 (2014)

Firestone, blue, 55 (1999), 170 (2014), 225 (2019)

Updated 7/15/2019