Hope it can be an aid to identification to collectors.
Saargebiet was originally a German territory. After World War I the Saar was administered by the League of Nations for 15 years and established its own postal administration.
The first stamps of the Saar were German stamps overprinted "Sarre" (French name) with a heavy solid bar striking out the "DEUTSCHES REICH". This overprint was used for 17 values ranging from 2 pfennigs to 1 mark and went on sale 30th January 1920. The stamps of Bavaria were similarly overprinted and first available on 1st March, 1920.
On 26 March, more German overprints were issued, this time reading "SAARGEBIET" (German language name) and not striking out the name of the old Reich.
Surcharges of 20pf, 5m, and 10m on German stamps came out in early 1921, followed by the Saar's first definitive series. This was a set of 16 local scenes, ranging from a view of the Saar River near Mettlach to the Burbach Steelworks at Dillingen. The stamps were rudely typographed and most printed in two colors; (striking nevertheless).
On 1st May 1921, the series was surcharged in centimes and francs and in 1922 it was replaced by a new series of same designs, but redrawn with new money denominations and printed in different colors.
The Madonna of Blieskastel was commemorated by a pair of stamps (45c and 10fr) in 1925.
A new definitive series came out in 1927 borrowing designs from the first series, but in different shapes and printed in a single color using photogravure. On 1 November 1934 in preparation for the plebiscite the following year, the series was overprinted "VOLKSABSTIMMUNG / 1935"; the plebiscite of 1935 having gone in favor of rejoining Germany, and Saar came under the German postal system. The issue of a four stamp issue marked the event.
1920 Issue on Germania
The variations in these stamps CV reside in:
1. Identifying any lines below the bars (Types 1, 2 and 3)
2. Identifying the aberrations to the black bars that cancel the German text
3. Identifying the aberrations to letters (shapes and integrity) in Sarre overprint; to determine variants and fakes.
I will explain the features in more detail next.
It should be noted that there are many fake overprints in this area and this is a good discussion point. Bring out your fakes?
SARRE overprints on 1920 Germania stamps