Strip of 4 NSDAP Membership Dues Stamps. Good for Membership Cards and Books. Proof of the membership dues paid to the party. 1st edition (1927-35)
Avalilable in the following variants - RM 0.5, 1, 1.3, 1.5, 2, 3 and 5 for different income levels. 
 
All stamps can come clean, or stamped "NSDAP bezahlt" (they would be stamped if in a book or card).
 
Depending on number of factors your dues would differ. In principle, if
you joined before 1. April 1933, you'd pay 1.50 a month, or 1 per month when unemployed. RM 0.5 in case of really special hardship. 
for later members you'd pay depending on your household's monthly salary
<200: RM 1.5
<400: RM 2
<600: RM 3
<800: RM 4
<1000: RM 5
>1000: RM 8
for members in particular hardship, the dues would be reduced to RM 0.5
If you want to know more about NSDAP membership dues check out my blog article on that topic!