- Army colour - Army fabric - Army shade calls for car key, in a manner of speaking - Camouflage colour - Camouflage shade - Camouflage shade by quoting car key - Colour of car key, apparently
- 30th wedding anniversary gift, traditionally - Appear later holding oyster’s stone - Concretion of nacre - Gem in shell could be paler - Lustrous gem - Mass of nacre - Oyster gem