Key Awards Timeline.

Purple	Back	Blue	Sr. Master Front Purple	Sr. Master Front	Back

3" Long Membership Key Variations.
 Circa????  currently being researched.


1930 -1964.
Note: Senior Master Key, Key of State-International Key are filler images. (actual size unknown)

*Membership Key (2) 1930-1964	*Master Key (12) 1930-1964	+Senior Master Key (25) 1930-1964	*Grand Master Key (50) 1930-1964	Key of State (75) 1930-1964	Key of Nations (100) 1930-1964	Monarch Key (150) 1930-1964	International Key (200) 1930-1964

1964 -1976.
Note: Senior Master Key, Key of State-International Key are filler images. (actual size unknown)
Advancement Key (6) added.

*Membership Key (2) 1964-1976	*Advancement Key (6) 1964-1976	*Master Key (12) 1964-1976	+Senior Master Key (25) 1964-1976	Grand Master Key (50) 1964-1976	Key of State (75) 1964-1976	Key of Nations (100) 1964-1976	Monarch Key (150) 1964-1976	International Key (200) 1964-1976

#1976 -1983
Note: Senior Master Key, Key of State - 250/300 Member Medallion are filler images. (actual size unknown)
250/300 Member Medallion added.

*Membership Key (2) 1976-1983	*Advancement Key (6) 1976-1983	*Master Key (12) 1976-1983	+Senior Master Key (25) 1976-1983	*Grand Master Key (50) 1976-1983	Key of State (75) 1976-1983	Key of Nations (100) 1976-1983	Monarch Key (150) 1976-1983	International Key (200) 1976-1983
Member Medallion 250/300 1976-1983

#1983-1991.
Note: Senior Master Key, Key of State - 300 Member Key are filler images. (actual size unknown)
250/300 Member Medallion replaced by two new keys 250 member key and 300 member key.
 

*Membership Key (2) 1983-1991	*Advancement Key (6) 1983-1991	*Master Key (12) 1983-1991	+Senior Master Key (25) 1983-1991	*Grand Master Key (50) 1983-1991	Key of  State (75) 1983-1991	Key of  Nations (100) 1983-1991	Monarch Key (150) 1983-1991	International Key (200) 1983-1991
250 Member Key (250) 1983-1991	300 Member Key (300) 1983-1991

#1991-1995.
Note: Senior Master Key - 500 Member Key are filler images. (actual size unknown)
Additional Keys 350-500 have been found to exist and being researched.
 

*Membership Key (2) 1991-1995	*Advancement Key (6) 1991-1995	*Master Key (12) 1991-1995	+Senior Master Key (25) 1991-1995	*Grand Master Key (50) 1991-1995	Key of  State (75) 1991-1995	Key of  Nations (100) 1991-1995	Monarch Key (150) 1991-1995	International Key (200) 1991-1995
250 Member Key (250) 1991-1995	300 Member Key (300) 1991-1995	350 Member Key (350) 1991-1995	400 Member Key (400) 1991-1995	450 Member Key (450) 1991-1995	500 Member Key (500) 1991-1995

1995-2002.
"A New Look"
Note: No images available for the remaining 25 keys.
Keys available 2-500.

							No Image At This Time
*2 Member Key 1995 - 2002	*5 Member Key 1995 - 2002	*10 Member Key 1995 - 2002	*15 Member Key 1995-2002	*20 Member Key 1995-2002	*25 Member Key 1995-2002	*30 Member Key 1995-2002	35 Member Key 1995-2002	*40 Member Key 1995-2002

2002 - Current.
Master Key - Supreme Key are filler images. (actual size unknown)

*Membership Key (2) 2002-Current	*Advancement Key (5) 2002-Current	*Builder Key (10) 2002-Current	*Senior Builder Key (15) 2002-Current	*Master Key (20) 2002-Current	Senior Master Key (25) 2002-Current	Grand Master Key (50) 2002-Current
Key of State (75) 2002-Current	Key of Nations (100) 2002-Current	Ambassador Key (150) 2002-Current	International Key (200) 2002-Current	Global Key (250) 2002-Current	Universal Key (300) 2002-Current	Emissary Key (350) 2002-Current
Monarch Key (400) 2002-Current	Imperial Key (450) 2002-Current	Supreme Key (500) 2002-Current

Shown here are the two variations of the senior master key.
The key on the left has a name of the recipient and a number engraved in the key.
The letter L has a different font and the emblem is slightly different.
I believe the key on the left is the older version.

* =  In my collection
+ courtesy of PCC Don Ager
# = revised 10/12/2014 new documentation found.