Live Bidding Auction #82

1919, black monogram surcharge 50r over ''Z'' on imperforated 1r brown, pale brown and orange, block of 50 with 6 labels (complete sheet with trimmed margins), only six stamps (positions 1-4 and 17-18) are bearing complete surcharge, all others have monogram omitted and forming six se-tenant pairs, vertical and horizontal folds between stamps (some horizontal separations), full OG, NH or used (8 - favor cancellation), mostly VF and rare multiple