Vintage American Postmaster Dillon Mfg. Co US Postage Stamp Vending Machine Rare

Vintage American Postmaster Dillon Mfg. Told it was from the 1930s from previous owner. Has a few marks on it in. Lever goes up and down. And mechanism seems to function.

Tried coin slots but didn't want to force coins down. Back door has key to open machine up.

Front door key is not here. Great Capital graphics on front.