[Kiwikkiwik]

The uncropped picture shows at least 12 shells all together probably not all steilgranate blanks. Common sense says the gun would still be issued its usual HE AP ammunition as it has a truck to transport it and not every target is a MBT. There are still plenty of armoured cars, halftracks, light tanks and MG pits where the standard AP/HE loadout is very useful. The stielgranate is just an additional shell for the the original gun to prolong its life, not a new weapon system. Many second rate formations were probably still lumbered with 37s right up to wars end as production could never keep up with demand for anything in the German Army.
I do like to buy the less travelled equipment, Its more of a challenge to play. Doubly difficult as the cost structure is so flat. Which is why most players habitually go for the best and brightest I guess.