I´d like to hold against this that I cannot imagine you are talking about an ADOX product. If so this must be an error.
Our dealers do not usually change the cost structure originally given by us.
Hausmarke (house brand, store brand, private label) is a term defined in Germany as a brand given by a wholesaler or retailer to a product manufactured by another company.
If the manufacturer markets it for his own under an own brand one would not call this a Hausmarke. Mirko is right on this.
Though the term is not best chosen. A less-ambigious and and also common term for the same thing is Vertriebsmarke (re-sale brand).
I never used Adox Variotone Glossy, but would like to. Can anyone tell me why this is a good/better paper than the others?
I chose Adox MCP in 5x7 size as my comparison. In fact there are not enough retailers in the U.K. selling Adox paper in both 100 sheet boxes and 25 sheet packs to reach a proper conclusion. I can find only three retailers in the U.K. selling Adox paper and of those only one sells both sizes which happens to be 8x10. That retailer in fact only charges 1.18 times the price for 4x 25 sheets compared to a 100 sheet box which is by U.K. standards the lowest premium and seems reasonable as others have said.
It is a pity that none of the three retailers seem able to match their Adox prices to either Fotospeed, Kentmere or Ilford but that is not what this thread is about so I will end my comments there except to say that in Ilford MGIV RC paper, all the retailers have premiums between 1.35 and 1.73 so in the U.K. we would appear to pay a higher premium for 25 sheet packs than in other countries but this is really a separate thread.
Apologies once again for including Adox in my statement