Don't see how this is going to boost the already accelerating Bitcoin market as physical coins will have a series of things going against it. The entire point of an online cryptocurrency was to eliminate physical commodities while maintaining everything on a online ledger and it has been a massive success so far.

Coming to the topic of physical coins, we have witnessed the collectibles market over the last couple of years having a massive boom (mainly Casascius) and it is noticeable that these are minted collectibles rather than actual coins for trading purpose.