Help ID this 2 stage compressor pump

[bochnak]

Can someone help me ID this pump? There are no casting marks anywhere.

Sticker has the following info:

Model: TPV-50S-304 (quick google search shows another ad as a Puma)

Mfg: E14150085

 

[mikegt4]

It appears to be a Puma TPV-50S-304. Looks like this one although yours seems to be in better shape.
http://www.govdeals.com/index.cfm?fa=Main.Item&itemid=62&acctid=1273

 

[bochnak]

It appears to be a Puma TPV-50S-304. Looks like this one although yours seems to be in better shape.
http://www.govdeals.com/index.cfm?fa=Main.Item&itemid=62&acctid=1273

That is all I found also.