"The -best- weathering is subtle. But then again it's not only how you weather (materials/tools/techniques) but what you are weathering. Here are a few examples: A BR44 at the end of epoch 3, DB, a work horse, is a lok I weathered heavy, not last legs, but not run thru the 'lok-wash' :-) BR10, very little, it was still a flagship at that time for the DB and well taken care of. The running gear of a dampflok was dirty, so that is were most of the weathering applied. One can also consider the era, where as 1-2 epoch loks were will taken care of, still, coal, grease, water, oil, and the weather had some effect. Even an e-lok is going to have dirty boogies and carbon on the roofs. If modeling epoch 4 dampfloks,... well you can go to town!" Sent to the Märklin Bar and Grill by Dr. Dirt, aka Kevin Brady, May 27, 2008.
Inspired by Dr. Dirt, went to work on my BR 44, epoch 3 markings, but at the end of that or early epoch 4, not yet with the DB signet, missing smoke deflectors and perhaps close to retirement... In looking at the picture I see some spots I want to touch up, mainly the wheels. For some images of steamers during that period go here.
Also my BR 10 001, at then end of epoch 3 or very early 4, perhaps sensing that it would soon be replaced by an 110 electric or 220 diesel in 1968... Images of the BR10 002 in 1967 , and in 1968 and 1972, the year of it's demise... This was years before the engine they were supposed to replace, the BR 01.
There were only two of these "black swans" built. 10 001 survived and can now be viewed at the Deutsches Dampflok Museum, DDM in Neuenmarkt-Wirsberg, Germany.