cartoons, illustrations, Punch Magazine, B&W, B/W, black and white, black & white, 1932, 1930s, Thirties, soldiers, Grenadier Guards, policeman directing traffic, policemen, commissionaires, sailors, postmen, postman, Post Office, postal delivery, postal deliveries, lovers, playing cupid, love letters, back of envelopes, SWALK, young couples, the services, go-betweens, servants, young men, young women, romance, in love, men in uniforms, Britain, British, Great Britain, UK, United Kingdom, England, English, police officers, police constables, police, illustrated poems, E V Lucas, The Go-betweens, billet doux, uniforms, couples, relationships, love, romances, love affairs, messages, GPO, jobs, employment, occupations, affairs, girlfriends, boyfriends, envelopes, sealed with a kiss, cupids, policeman, men, man, women, letters, hearts, communicating, communications, work, working, workers, courting, dating, Punch, social history