Just posted on eBay a size Large, new condition tanker by ATF (unlabelled but it is theirs). Very nice:
http://www.ebay.com/itm/ATF-Tanker-Jacket-2nd-Model-M1942-NWoT-Large/182785917760
http://www.ebay.com/itm/ATF-Tanker-Jacket-2nd-Model-M1942-NWoT-Large/182785917760