1828 CAMBS/'CAMBRIDGE 52' MILEAGE MARK (CB50). Entire used locally in Cambridge addressed to Peterhouse with very fine printed content concerning the BOTANICAL MUSEUM and a desire to improve the Herbarium with a list of donations so far received. Back stamped CAMBRIDGE/52 circular mileage mark (CB50) MR 26 1828 in black. Very fine. (Ref 87567).