- Medium
- Envelope with ink and stamped ink additions, containing mimeograph and double-sided offset card
- Dimensions
- sheet (.a): 8 1/2 x 5 7/16" (21.6 x 13.8 cm); sheet (.b): 3 1/2 x 2 5/16" (8.9 x 5.8 cm); envelope (.c): 3 5/8 x 6 7/16" (9.2 x 16.3 cm)