I need to make sure I'm not making up details. Should verify through her official website or reputable art databases. Maybe her work has certain motifs or subject matter. If fakes deviate from that, they might be inauthentic.

Wait, does Marlene Lufen have a specific signature or mark? Do her works have a date or edition number? Those details can be indicators. Also, the materials used in genuine works—high-quality versus lower-quality materials in fakes.

Potential user errors in the guide: Overlooking the importance of provenance, not consulting experts, or relying on visual inspection alone. The guide should stress checking multiple sources and getting professional opinions.