Via Singapore - Brindisi. Endorsed "By First Mail"
Franked with Straits Settlements 4c rose and 12c blue (SG 12 and 15 respectively)
tied by circle of dots cancel. With Singapore "PAID" cds and "P.D.", both  in red.
Backstamped LYON / 23 SEPT 76.

16c Strait Settlements rate to France per 1/4 ounce weight
which took effect from May 17, 1871 to January 17, 1876.

This cover clearly indicate that the 16c rate was extended beyond its validity period.