Here’s the stamp catalog information for two sets of stamps from the Netherlands that each feature a 150th anniversary.
Issued Jan. 31, 2004
Perf. 14¼x14¾ |Se tenant pair |Litho.|No watermark
#1165 A455 0.39€ Multicolored |Rain (‘regen’, rainbow at left)
#1166 A455 0.39€ Multicolored |Sun (‘zon’, rainbow at right), showers (‘buien’) in margin
Note: The seven colors of the rainbow, listed from longest to shortest wavelength, are Red, Orange, Yellow, Green, Blue, Indigo, and Violet.
The Netherlands: The 150th Anniversary of the Birth of Vincent Van Gogh
Issued Jan. 2, 2003
Perf. 14¾ |Sheets of 10 different stamps |Design: Gracia Lebbink |Litho.|Engraving: House of Questa |No watermark
#1142i A438 0.39€ Multicolored |View of Auvers, 1890
#1142j A438 0.39€ Multicolored |Wheat Field with Crows, 1890
[Sources: stampworld.com, Scott 2018 Standard Postage Stamp Catalogue, Vol. 5]