First day cover

Lincoln Cathedral First Day Cover envelope bearing four Greenwich Meridian stamps. The postmarks refer to John Harrison. On the front also is a line drawing of the profile of John Harrison with H4 behind. Inside the envelope is a card outlining the life and work of John Harrison and the sea trials of H1 and H4.

Object Details

ID: ZAA0648
Collection: Timekeeping
Type: First day cover
Display location: Not on display
Creator: Unknown
Date made: 1984
People: Harrison, John
Credit: National Maritime Museum, Greenwich, London
Measurements: Overall: 220 x 110 x 1 mm