South Korea 2014 Incheon Asian Games - Rugby ball on sheet selvedge

South Korea released a set of stamps in 2014 to mark the Incheon Asian Games, none of the stamps feature rugby, however, the colour control  of the stamp sheet selvedge were printed as icons representing sports items, and the first one is a rugby ball. Rugby sevens is one of the sports in the Incheon Asian Games.

Tonga 2014 Rugby Sevens

Tonga released on 17 September 2014 a souvenir sheet celebrating 40 years of participation in the Commonwealth Games. The souvenir sheet contains 1 non-value label and 5 stamps featuring sports, one of them being the rugby sevens.
Note: The Glasgow games in 2014 is the 20th edition of the Commonwealth Games.

Cook Islands 2014 Rugby

Cook Islands released on 23 June 2014 a set of 24 stamps on the theme of tourism. 4 of the highest value, at $4.10 each, in the set feature sports, and one of them is rugby.

Samoa 2014 40 Years of Commonwealth Games - Rugby Sevens

On 16 September 2014 Samoa released a set of 4 stamps to mark 40 years of participation in the Commonwealth Games. One of the stamps feature Rugby Sevens. Each of the stamp value is issued in a sheet of 5 together with a label without value; the sheet selvedge is decorated with the flags of all the countries in the Commonwealth.
Note: The Glasgow games in 2014 is the 20th edition of the Commonwealth Games.

New Zealand 2014 All Blacks

New Zealand celebrated again their favourite sport team, the All Blacks, on 7 May 2014 with a miniature sheet containing stamps with the silver fern. With this simple design, that seemed to have been used in a previous year, and the same stamp design for stamps differing only in size, this really looks like a very frivolous issue. Alright, I admit that there's a change in postage rate, but usually the solution would be for a new set of definitives.

New Zealand 2014 Legendary Landmarks

New Zealand released on 2 July 2014 a sheet of 18 stamps featuring icons of legendary landmarks. A rugby ball is found printed over 2 stamps depicting Hunterville's dog and Taupo's bicycle in the 4th row of stamps.

Guyana 2013 Remembering Nelson Mandela

This Guyana souvenir sheet was released 15 December 2013 in memoriam of Nelson Mandela. There 2 sets of 3 different stamps in it, and one of the stamp design shows Nelson Mandela in Springboks jersey posing together with the Rugby World Cup, also known as the Web Ellis Cup; this photograph was probably taken in 1995 when South Africa hosted and won the 3rd Rugby World Cup.

Antigua & Barbuda 2013 Remembering Nelson Mandela

Antigua & Barbuda released on 15 December 2013 two souvenir sheets as memoriam for Nelson Mandela, on the first sheet (Scott 3237), one of the 6 stamps show Mandela in Springboks jersey and cap when South Africa hosted and won the 3rd Rugby World Cup.

San Marino 2013 Stamp on stamp

San Marino Post celebrated the 50th Anniversary of the Italian Thematic Philately Centre on 9 October 2013 with a stamp featuring past stamps, one of which is part of a 4-stamp issue commemorating the 5th Rugby World Cup.