Bees will not cap honey until it is cured to no more than 17-18% moisture. If cold weather arrives before it is capped, the honey may ferment in the comb.
Is honey that is sold in the comb always completely raw honey? Or do some honey producers pasteurize their comb honey? - Quora
How to Harvest Honey – BeeBuilt
Can I collect honey from flowers? How different would it be from bees honey? - Quora
Over wintered honey Beesource Beekeeping Forums
honey extraction Tales from the beehive - a beekeepers blog
The winter hive: to tap or not to tap - Honey Bee Suite
?tiny brown spots in capped honey?
What is Comb Honey? – Two Hives Honey – Honey and Hive Tours in Austin, TX
ECO BEE BOX - MODERN BEEHIVES & BEES: 2015