Ruger has extensive serial number information on their web site.
your ruger No.1 tropical is valued at 875.00 in new condition.
Honestly.. very little, if any. And even that's only for an unfired one. When America reaches 300its years of independence (at which point, you and I will probably both be dead and buried), then you can expect a significant rise in value. But the Bicentennial editions aren't unique, and do not possess much as far as monetary value goes.
@ one percent
A few hundred to a few thousand.
Value is dependent on model and condition, and could not be answered without detailed information you have not provided. for date of manufacture, contact customer service at Ruger. http:/www.ruger-firearms.com
The Ruger website has sn data on it you can look at.
You will have to call Ruger to find out.