@Treetop
I know where you're coming from. I had a similar intention on my last trip but sadly didn't make it to Bettys. Noticed their stock of Sannie strains as well, hilarious prices though, especially the Killing Fields.
Same old story they seem to know about their exclusivness while asking those stupid prices. As I got access recently to some organic homegrown Anesthesia and Jackberry F4(as well as a bonus strain not that worth mentioning) I wanted to have a somewhat unfair comparison

.
Means I don't trust coffeeshops in terms of names(and much more) since years anymore, especially newer strains not those established so much.
If you're interested in growing them I'd say(not all seeds grown out yet)they're both excellent! Jackberry being a very good allround strain as well as a good yielder. Anesthesia is a real knock out smoke, one of the best I had since smoking for the first time ever.
Can't go into more details about growing them though.
At the moment I'd say fuck the coffeeshops and order those you're interested in(pretty stealth packaging indeeed)as they're so affordable

! Mostly read good things, too.
What ever, last year in November I was happy to find some Kolossus and Killing Fields at my favorite coffeeshop in Dizzy Duck, Den Hague(remember only 50mins away from Amsterdam! Such a nice shop

! I`ll go there for a couple of days in October and report back then about my findings. ). Both at about 10-11€ and nice enough. Same November I found some Herijuana(around 10€) at Bij, Amsterdam which seemed to have potential.
Last visit a month or so ago Greenhouse offered some Mad Kush but didn't take a look nor purchased.