Alder boards glued wooden boards price request from Poland

Dear Sir/Madam,
We are ship model testing facility located in Gdansk/Poland.
We are looking for obeche/samba or alder boards (edge-glued panels) of following dimensions:
Lenght: 3m (preferably if not available may be different) Width: 1.2-2m (2m is maximum) Thickness: 40-50mm
Our quantity is around 40m3/year with 2-3 deliveries (due to our limited stock).
Best regards,