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Hans-Ulrich Sieber

Address

- Fraubrunnen

Schweiz

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SIEBER rot_briefmarkenpruefer_signatur_pruefzeichen Signature Echt

SIEBER

Color: rot Form: Langstempel
Experimental: Automatically analysed by Claude Vision (AI). We are testing whether this feature adds value.
KI-Analyse
blau rot violett rechteck stempel Rahmen: einfach Schraffur Punkte Kristallstruktur
SIEBER_briefmarkenpruefer_signatur_pruefzeichen Signature Echt

SIEBER

Color: schwarz Form: Langstempel
Experimental: Automatically analysed by Claude Vision (AI). We are testing whether this feature adds value.
KI-Analyse
schwarz freiform handschrift Schraffur "SLPSK"
Sieber3_briefmarkenpruefer_signatur_pruefzeichen Signature Echt

Sieber

Color: rot Form: Langstempel
Experimental: Automatically analysed by Claude Vision (AI). We are testing whether this feature adds value.
KI-Analyse
rot freiform handschrift Unterstreichung Zierstrich "Sieger"
sieber_new_2025_dezember_s32hjd123 Signature Echt

Sieber

Color: rot Form: Langstempel
Experimental: Automatically analysed by Claude Vision (AI). We are testing whether this feature adds value.
KI-Analyse
rot freiform druck Druck "STOOPRT"