"I don't know where to even get real lump charcoal"
Around here (South Carolina) you can get real charcoal from places like Lowes, Home Depot, and even Wal-mart. It's sold right next to the briquettes (which you don't want). Nice set up.
the shape, placement of weight and serial number and oval depression all look like a Trenton to me. born in 1910 if it is a Trenton. No maker marks? (would be on side with the horn facing right)