"Article and Price List No. 3 for Clothing and Equipment of the SS of the NSDAP" Published Munich 1 January 1938 by the Verwaltungsamt-SS .
B - Equipment
item #464 Bayonet Frog @ 1.60 RM
item #465 Bayonet Frog for Mounted Personnel @ 1.65RM
I have not owned a VA marked frog and have seen very few. Martin Stiles, of Hannah's Reich, had one for sale on his web site a year or two back.
The VA marked frogs were the ones that I had in mind, and they are very difficult to find. And even more difficult I think if you include their original (so-called) “commercial” non-military contract (ie: no Waffenamts) S. 84/98 combat/service bayonets.
With my Thanks to Gastvrijheid for posting the supporting documented information. Best Regards, Fred