Schneebergstraße 8, Höhr-Grenzhausen, Rhineland-Palatinate.
Hersteller / Manufacturer
Kamp & Ferdinand operated a pottery, post WW II, making amongst other products, beer steins with saltglaze and more modern glazes.
They have been out of production since the early 1990's. There is no connection with Joh.Jos. Ferdinand. That is another family line.
Reference:
Würzburger Hofbräu Brewery stein 
Basemarks on featured stein above. 
Combined capacity mark and maker's mark, just with "Kamp". Presumably, after the partnership of "Kamp und Ferdinand" had dissolved. 
Veterans of Foreign Wars of the United StatesPost 2678, Edgemere. MD. 
Capacity and maker's marks on featured stein above. N.B. The state of "West Germany" existed 1949 - 1990. 
Maker's label on the featured stein above, identifying the K.u.F. name. The hand wash request would indicate that this stein has a transfer over the glaze. 
Modern signature combined with capacity mark. N.B. The state of "West Germany" existed 1949 - 1990. 
Modern signature combined with capacity mark. 
Maker's name integrated with capacity mark, 
Old boot stein, date unknown
Mark on the base of the boot stein above: K.u F. 