Priced catalogue of envelopes and wrappers, post cards and letter cards. Part 4, envelopes, post cards, etc.
London : Stanley Gibbons, Limited,
Description based on : 12th ed. (1899).
Stanley Gibbons, Limited, descriptive catalogue and price list of British, colonial and foreign postage stamps (part I), post cards (part II), envelopes and newsbands (part III)