Osul was a Portugese maker that began in the 1940's as Luso Celuloide. They produced plastic replicas until the 1970's, when they modified their name and switched over to metal items(Metosul). The only value I have seen on this car is around 75 to 100 dollars MIB - not too sure on how current this is, though. They also offered a hardtop version of the Mercury as well. Hope this helps!!