Netherlands - A very large collection of personalized stamps on genuinely postally used pieces, very scarce.

Please view the photo(s) carefully, this for your own impression.

This concerns a very large, exceptional collection of personal stamps, on genuinely used mail pieces. In this large collection, estimated at around 500 pieces, very rare.

It covers almost all business mail. Will be sent in a binder. Started decades ago as a separate collecting area, but did not continue with it, sat for decades in the company archive.
Some of these items may have stamps that are damaged, as the business mail was opened automatically.

Shipping is via PostNL as a registered shipment with insured value, in accordance with Catawiki's shipping guidelines.