Rare SPECIMEN of 500 Rubli 1920 P. 8as, front and back seperatly printed unifcae on banknote paper, zero serial numbers, serial letter "B", PARAGUS overprint in red color at center, the front specimen has a small missing part at upper center, fixed with small piece of tape, light corner folds, no strong folds, the back print has no holes, only a 2mm tear at upper left, unfolded, crisp original paper, condition: XF and aUNC.