Resistance members soon started to forge identification cards at a large scale – the largest such operation, led by Gerrit van der Veen, produced some 80,000 forged documents. However, forged documents could be easily detected because they could be compared against the records in the civil registries.
Resistance members started creating many identification cards at once – the most substantial effort was managed by Gerrit van der Veen and resulted in approximately 80,000 forged documents. However, these forgeries could be quickly identified because they could be compared with civil registry records.