| 1971 opus 520 to fall in love is romantic cm 40x40 | 
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1971 opus 384 a keyhole without a key is romantic cm 40x40 | |
| 1971 a pipe is romantic cm 20x40 |  |
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1969 opus 414 roll over humanitas cm 76x150x9 | |
| 1969 opus 395 nichts ist absolute cm 219x90 |  |
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1964 opus 88 le coeur est de la partie cm 130x75 | |
| fellatio is fun cm 32x32 1969 |  |
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mechanisches planspiel cm 50x50 1963 |