Very Rare Find 6 Pietersburg with errors1901 complete set mint hinge

VERY RARE FIND IN MY FATHERS ALBUM A FEW PAGES from thin stock books WITH VERY OLD STAMPS THIS IS ONE OF THEM  ONE COMPLETE SET OF 6 Mint stamps PIETERSBURG 1901 writen on the page underneath all of them is error and all of them has no signature of the controller 1/2 Penny 1Penny 2Penny 4Penny and 6Penny all very lightly attach to the page and 1 Shilling pasted on and will have to be removed from page at the bottom see my picture price is for the complete set of 6 stamps together