I have a Pre 27 3.5 that shipped to Evaluators...and a Evaluators Heiser Holster that was bought around the same time frame..
sold By Evaluators LTD and Possibly was sold with this Gun...pretty cool to match them up..Its Marked Evaluators LTD on the Back and Mag 3 1/2..
Pre 27 3.5 Shipped in Feb 1950 to Evaluators LTD..