Here's one I found from a ride this year, in Sexau, which is a tiny village on the edge of the Black Forest:
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Centre is the WW1 memorial, and the free standing pillars either side are from WW2. Notice that the WW2 ones have no military figure or other ornamentation: this is fairly normal. Here's a closer view:
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The names on the WW1 memorial are larger and the central panel is a different text, and there are 13 names on each side panel. The WW2 pillar in the picture contains about 60 names, so that's 26 men lost in WW1 and about 120 lost in WW2. This isn't unusual.
Also the WW1 centre panel has a German cross symbol talks about "Heroes" and "gratitude", whereas the text on the WW2 Panel (below the names just says "A reminder to the living; for peace". Even the text style is noticeably different.
It's also noticable that many family names on both memorials are the same.