1925 UNDERPAID MAIL JAMAICA TO BRISTOL. Envelope (opened out for display) with Jamaica 1d with slogan cancellation JUN 24 25, postage underpaid with UK "1½D/723" charge mark and 1½d red-brown postage due cancelled BRISTOL 11 JY 25. Also on front boxed "INSUFFICIENTLY PAID" instructional. Attractive usage. (Ref 103831).