Free delivery/collection can be arranged in person in the Amsterdam area, otherwise current postage prices are as follows, based on registered mail with PostNL Medium size (100 x 50 x 50 cm) up to 2kg which is sufficient for most of my work.

Postage includes Signed delivery with tracking code and Insurance up to €500:

https://www.postnl.nl/en/sending/sending-a-parcel/registered-parcel/