Helderse Postzegelhandel : Timbre de vânzare - Olanda
Prezentat acum: Olanda - Timbre poştale (1852 - 2024) - 2 timbre.
1. Mai WM: Niciunul Design: Samuel Louis (Sem) Hartz. Gravură: Joh. Enschedé. Perforare: 12½ x 12
![[Charity Stamps, Tip DQ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Netherlands/Postage-stamps/DQ-s.jpg)
1. Mai WM: Niciunul Design: Samuel Louis (Sem) Hartz. Gravură: Joh. Enschedé. Perforare: 12½ x 12
![[Charity Stamps, Tip DQ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Netherlands/Postage-stamps/DQ-s.jpg)