Made by ROHM.
Frame
20-60
Any pistol made by RG is worth less than the metal it is made from.
Let a gunsmith do it.
15-45 USD
your rg model 14 was manufactured in the 1960's.
About $50. Low quality, low value pistols
25-50 USD
25-60 USD or so
25 USD
20-60 or so
ROHM, RG, RECK, WALTHER, to name a few.