Thanks everyone for your tips. I did find some glass at a local dollar store where they sell all picture frames for 1$. This just cut my cost in half from $1.99 to $1. The glass from this source is a lot thinner than the 2mm glass from Home Depot and the local glass stores as well. I haven't review it closely yet, but it appears to be a lot closer to the same thickness of plates as the vintage plates back in the day.

LF