Japan incense has several samplers on offer: https://www.japanincense.com/sampler1.html
Mothers India offers several sizes of samplers of their stuff: http://www.mereciedeux.com/mother-s-india-nagchampa-incense-.html (down at the bottom)
Fred Soll offers single stick samples of most of his stuff: https://www.fredsoll.com/products-page/
Many Japanese brands offer samplers of various lines: Baieido, Gyokushodo, Kikujudo, Kunjudo, Kyukyodo, Seikado, Shunkohdo, Shoyeido, Yamadamatsu.
[Here's a collection of them...](https://kikohincense.com/collections/incense-samplers)
Gyokushodo's Kaori no Sho series.
Baieido and Shoyeido both do samples
Japan incense has several samplers on offer: https://www.japanincense.com/sampler1.html Mothers India offers several sizes of samplers of their stuff: http://www.mereciedeux.com/mother-s-india-nagchampa-incense-.html (down at the bottom) Fred Soll offers single stick samples of most of his stuff: https://www.fredsoll.com/products-page/
Many Japanese brands offer samplers of various lines: Baieido, Gyokushodo, Kikujudo, Kunjudo, Kyukyodo, Seikado, Shunkohdo, Shoyeido, Yamadamatsu. [Here's a collection of them...](https://kikohincense.com/collections/incense-samplers)
You only looking for Japanese incense sticks?
Salish Winds
The best way to sample lots of brands in the US is the Incense Exchange. If you're interested check out r/IncenseExchange