Watch List notes:

Latvia: Rare contemporary forgery of 500 Rubli 1920 P. 8c(f), series "K", cancelled by the bank officials, stamped "NEDERIGS" = "USELESS", according to Platbarzdis forgeries also exist with serial prefix G and S. This example of a contemporary forgery is used with several folds and creases, pinholes at upper left, condition: F+ to VF-.