diff --git a/ptbletter/ptbletter-doc.pdf b/ptbletter/ptbletter-doc.pdf
index f5d32d22ea1bd00a881e09b2c6644f40d635b991..ca15578d8636ddd92cc07c13a86711893bf50aac 100644
Binary files a/ptbletter/ptbletter-doc.pdf and b/ptbletter/ptbletter-doc.pdf differ
diff --git a/ptbletter/ptbletter.cls b/ptbletter/ptbletter.cls
index faa6044720ccec1d292c8d9b550fc8bab1010da8..e42700f78482649ee9638395ddf391fbb2adc176 100644
--- a/ptbletter/ptbletter.cls
+++ b/ptbletter/ptbletter.cls
@@ -3,7 +3,7 @@
 \setcounter{errorcontextlines}{100}  \listfiles
 
 \NeedsTeXFormat{LaTeX2e}[1999/12/01]
-\ProvidesClass{ptbletter}[2018/01/10 v0.2d PTB-Brief-Klasse (RN)]
+\ProvidesClass{ptbletter}[2018/01/17 v0.3a-pre PTB-Brief-Klasse (RN)]
 
 \let\ptb@tempdima=\@ovxx
 \let\ptb@tempdimb=\@ovyy
@@ -16,6 +16,7 @@
 \newif\ifptb@serif \ptb@seriftrue
 
 \newcommand*\ptb@lang{main=ngerman}
+\newcount\ptb@head \ptb@head=2
 \newcommand*\ptb@tempa{}
 \newcommand*\ptb@tempb{}
 
@@ -28,6 +29,9 @@
 \DeclareOption{BLN}{\ptb@BLNtrue}
 \DeclareOption{sanserif}{\ptb@seriffalse}
 \DeclareOption{serif}{\ptb@seriftrue}
+\DeclareOption{head0}{\ptb@head=0}
+\DeclareOption{head1}{\ptb@head=1}
+\DeclareOption{head2}{\ptb@head=2}
 
 \DeclareOption{visualize}{%
   \PassOptionsToClass{\CurrentOption}{scrlttr2}
@@ -148,12 +152,12 @@
 \setkomafont{refname}{\sffamily\tiny}
 \setkomafont{refvalue}{\normalfont\footnotesize}
 
-\setkomavar{firsthead}{
+\setkomavar{firsthead}{%
   \begin{minipage}[b]{\linewidth}%
-    \sffamily\bfseries\huge
-    Physikalisch-Technische Bundesanstalt\\[3bp]
+    \sffamily\bfseries\huge%
+    Physikalisch-Technische Bundesanstalt\\[3bp]%
     %%%\large
-    Braunschweig und Berlin\\
+    Braunschweig und Berlin
   \end{minipage}%
 }