Most Rohm revolvers were considered low quality/ low value firearms. Depending on condition, $100.
25-65 USD or so
50-300 USD or so
Depends on the condition of the two- but in general, the Rohm firearms are considered low value and indifferent quality.
Inexpensive, not to durable, minimal value (50-75 USD)
20-60 USD or so
About $50-$75. Rohm, also known as RG, was an inexpensive low quality handgun.
No published sn data that I am aware of
RG is short for "Rohm Gmbh" which essentially is Rohm Ltd. in German. Rohm manufactured inexpensive (and somewhat questionable quality) handguns until 1986.
£1.99
$65-$120 depending on condition
40 or so