Re: Info on JCRG-2
It's a original J.Custom made by Shimamura Gakki. The colour is blue black sunburst.That is also rare model in Japan because RG9670 and RG9570 was limited model,and then your opinion is exactry right. JCRG renamed RG8xxx,RG9xxx in 2002.
JCRG2 → RG9570(neck-thru) JCRG1 → RG8570
JCRG4 → RG9670(neck-thru) JCRG3 → RG8520
first digit 8 or 9 expresses neck joint. secod digit expresses finger bord inlay.
5 is off set dot. 6 is tree of life. third digit, 7 means HSH pick ups, 2 is HH .
last digit is bridge type. 0 → with trem
1 → without trem