If the time ever comes when we casually drop solar systems in a “take a solar system, leave a solar system” tray at the convenience store, you may be might.
Well, of course you would say that, but when I ship with HeisenEx they guarantee instantaneous delivery anywhere in the Local Group for only 10% more per pound. Well, not guarantee, exactly, but they say it’s “statisticlaly likely” that it’s somewhere around the locus you’ve sent it to. Doing the package tracking is a royal bitch, though, what with all the hidden variables and everything. And heed their warnings not to ship live animals; my buddy Erwin had his cat sent to him this way once and it was half-dead when he got it.
A penny is 2.5 grams of copper-plated zinc. Any given solar system contains billions and billions of tons of both copper and zinc. I’d say that a solar system is worth considerably more than a penny.
Given: There are lots of pennies in our solar system
Given: Our solar system is probably pretty typical
Then: Other solar systems might contain lots of pennies too.
To treat the OP seriously, there are two false assumptions contained in it.
The first is the implied but unproven assumption that the value of an object is determined solely by the supply and not the demand.
The second is the assumption that there are in fact more solar systems than pennies. The logic of the two givens in the OP would suggest otherwise. If there are numerous pennies in this solar system and this solar system is typical, than logically there are numerous pennies in every solar system and pennies are more common than solar systems.
Realistically, we realize that conclusion is ridiculous - there are no pennies in any solar system except our own. But that realization forces us to re-examine our “givens” and realize that our solar system is not typical - it is the only solar system that is inhabited by humans and to the best of our current knowledge the only one likely to be inhabited by humans at any point in the foreseeable future. Therefore, as a unique item, it is far more rare than a penny.