Updated: Sep 20, 2020
Flemish Garden Wall Bond and 3.5 Natural Hydraulic Lime.
Before and After Photos
I had not used lime mortar for about 15 years.
The last time it was out of a silo at Selwyn College in Cambridge.
Site batching with 2 parts sharp sand, 2 parts soft sand and 1 part NHL, make s the material quite thick and Gritty. It's easy enough to use, and very pliable.