Stamps DDR - plate error

Lot 1262 limit € 30

All in all 4 block issues Schiller year 1955, Michel block 12, as well: 2 x plate error 12 IV, ** and o (special cancellation), block inscription J from year with pre-footed line, 1 x plate error 12 X, special cancellation, block inscription W from We with extended serif as well as 1 x block 12 ** as a comparison piece, unchecked, on stock card, probably just over €600 according to the Michel catalogue