So I came back home and checked on my store to find several cards missing. I checked my inventory logs and found these.

Date Item ID Steam ID Original ID Notes
June 15, 2014, 9:57 p.m. Normal IDF (1 Usages Left) 1562206 768987623 149750877_12 [DELETED] Item no longer exists.
June 15, 2014, 9:57 p.m. Normal Balkan (1 Usages Left) 1562197 768987613 149748025_6 [DELETED] Item no longer exists.
June 15, 2014, 9:57 p.m. Normal Balkan (1 Usages Left) 1562196 768987612 149748025_5 [DELETED] Item no longer exists.
June 15, 2014, 9:57 p.m. Normal Balkan (1 Usages Left) 1562195 768987611 149748025_4 [DELETED] Item no longer exists.
June 15, 2014, 9:57 p.m. Normal Balkan (1 Usages Left) 1562194 768987610 149748025_3 [DELETED] Item no longer exists.
June 15, 2014, 9:57 p.m. Normal FBI (1 Usages Left) 1562193 768987609 149754772_2 [DELETED] Item no longer exists.
June 15, 2014, 9:57 p.m. Normal IDF (1 Usages Left) 1562215 768987694 149750877_21 [DELETED] Item no longer exists.
June 15, 2014, 9:57 p.m. Normal IDF (1 Usages Left) 1562211 768987689 149750877_17 [DELETED] Item no longer exists.
June 15, 2014, 9:57 p.m. Normal FBI (1 Usages Left) 1562192 768987458 149754772_1 [DELETED] Item no longer exists.
June 15, 2014, 9:57 p.m. Normal IDF (1 Usages Left) 1562214 768987693 149750877_20 [DELETED] Item no longer exists.
June 15, 2014, 9:57 p.m. Normal FBI (1 Usages Left) 1562213 768987691 149754772_19 [DELETED] Item no longer exists.
June 15, 2014, 9:57 p.m. Normal SWAT (1 Usages Left) 1562216 768987695 149750036_22 [DELETED] Item no longer exists.
June 15, 2014, 9:57 p.m. Normal IDF (1 Usages Left) 1562210 768987688 149750877_16 [DELETED] Item no longer exists.
June 15, 2014, 9:57 p.m. Normal IDF (1 Usages Left) 1562208 768987687 149750877_14 [DELETED] Item no longer exists.
June 15, 2014, 9:57 p.m. Normal IDF (1 Usages Left) 1562207 768987685 149750877_13 [DELETED] Item no longer exists.
June 15, 2014, 9:57 p.m. Normal SWAT (1 Usages Left) 1562204 768987621 149750036_11 [DELETED] Item no longer exists.
June 15, 2014, 9:57 p.m. Normal IDF (1 Usages Left) 1562205 768987684 149750877 [DELETED] Item no longer exists.
June 15, 2014, 9:57 p.m. Normal SWAT (1 Usages Left) 1562202 768987619 149750036_9 [DELETED] Item no longer exists.
June 15, 2014, 9:57 p.m. Normal SWAT (1 Usages Left) 1562201 768987618 149750036_8 [DELETED] Item no longer exists.
June 15, 2014, 9:57 p.m. Normal SWAT (1 Usages Left) 1562203 768987620 149750036_10 [DELETED] Item no longer exists.
June 15, 2014, 9:57 p.m. Normal Balkan (1 Usages Left) 1562199 768987615 149748025_7 [DELETED] Item no longer exists.
I have no clue why they're being deleted and I hope this doesn't occur to my moderately valued items; or possibly in the future high valued items.