Envelope – 100th Anniversary Nursing Profession (1861-1961). First day of issue – (L) upper corner picture, nurse being capped. (R) upper corner – 4 cent stamp – student nurse lighting candle. Postmark on envelope ” Washington DC, Dec 28, 9AM, 1961. (L) corner, lower corner: Nurse at bedside of patient. Stamped in middle of envelope – Science and Talent for Mercy – RN.