In what is probably a move to reduce costs, the silver plate is slowly being removed from Royal Mail's country definitive stamps.
The latest (23/02/2016) reprint of the Scotland 2nd class stamp has the face value and royal profile head printed in grey instead of silver. This can be done with the black ink, and therefore no silver ink is used, and one less printing plate is required.
The 2nd class follows the Scotland £1.05 tariff change stamp which also has the head printed in grey, although the face value is reversed out, and shows as white.
955. Kingfishers Featured On New Singapore Issue. - 🇸🇬 *Singapore Post *will issue a set of 4 stamps on 26 April 2016 on the subject of Kingfishers. This highly attractive set was designed by Leo Teck ...